Payment Options

At JJ Adams, we provide a variety of payment methods for your convenience, including all major credit cards, PayPal, and flexible finance options for payment later.

Your transaction security is guaranteed with state-of-the-art encryption. Choose your preferred payment method at checkout to ensure a smooth and secure purchasing process.

Your payment choices include:

1 - CREDIT / DEBIT CARD

Make payments using your debit or credit card for an effortless and smooth method of payment. Simply input your card details, expiration date, and security code, and we'll process the rest securely.

If your card is enabled for 3D-Secure, you'll be directed to your bank's security questions. We will the proceed with your order. Charges are applied only when your items are dispatched.

2 - PAYPAL

You can alternatively opt for PayPal for a quick, easy, and secure payment method. By selecting PayPal at checkout, you can pay directly from your account.

We'll immediately receive confirmation from PayPal and begin processing your order. PayPal payments are fee-free for you, as JJ ADAMS BIKES covers all transaction fees.

PayPal also offers the option to spread the cost over three interest-free payments, with PayPal's Pay in 3 scheme. To use this service:

STEP 1: Select PayPal at checkout to utilise Pay in 3.

STEP 2: Make your initial payment at the time of purchase.

STEP 3: The remaining payments will be automatically collected.

After Sale Care

Regular servicing is key to ensuring your electric bike stays in peak condition. At JJ Adams, we have partnered with Cycle Tech UK to provide servicing and maintenance services right to your doorstep.

While your e-bike arrives nearly assembled and having completed a Pre-Delivery Inspection, you can opt to use Cycle Tech UK to conduct the assembly for you, ensuring everything is in order. You'll have the technician walk you through your new bike, providing valuable insight into its workings.

Initial 30-Day Service

At JJ Adams, we strongly recommend you get your e-bike serviced in the first 30 days from purchase. Engage with skilled mechanics for a comprehensive overview of your e-bike's maintenance needs. Learn proper gear usage, battery charging techniques, and essential tips for upkeep.

From then, we recommend you refer to your bike's owner's manual for recommended servicing intervals, typically every 1000 kilometers or 600 miles.

Nationwide Mobile Bike Servicing

We offer nationwide mobile bike servicing, repairs, and maintenance services through our partners Cycle Tech UK. From flat tires to complex repairs, rely on our network of qualified mechanics to keep your e-bike in top condition. Access expert repairs anywhere in the UK through our partnership with Cycle Tech UK.

Shipping & Delivery

Processing time:
We aim to process and ship all orders within 1-3 business days after they are received. However, please note that processing times may be longer during peak shopping seasons, such as Black Friday and Cyber Monday.

Shipping rates:
We offer free shipping to our customers on orders over £200 and 4.99 standard .


Shipping methods:
We use a variety of shipping methods to ensure that your order arrives in a timely and secure manner. The carrier we use will depend on the shipping destination, package weight, and shipping method you select at checkout.

Delivery times:
Delivery times will depend on the shipping method you choose and the destination of your order. Estimated delivery times will be provided at checkout.

Tracking information:
Once your order has been shipped, we will provide you with a tracking number via email so that you can track your package online.

International shipping:
We currently don’t offer international shopping 

Shipping restrictions:
We cannot ship to P.O. boxes or APO/FPO addresses.

Order changes:
Once an order has been processed, we cannot make changes to the shipping address or shipping method. Please make sure that your shipping information is correct before placing your order.

Returns:
If your order arrives damaged or defective, please contact us within 48 hours of receiving your package. We will provide instructions for returning the damaged or defective item(s) and issuing a replacement or refund.

Shipping delays:
We are not responsible for shipping delays caused by the carrier, weather conditions, or customs processing. However, we will do our best to assist you in resolving any issues that arise during the shipping process.

If you have any questions or concerns about our shipping policy, please don't hesitate to contact us.

CONTACT INFORMATION

Website: jjadamsbikes.com

Electric Bike Size Guide

Electric Bike Size Guide

Find Your Perfect Fit With The Electric Bike
Size Guide From JJ Adams

Choosing an electric bike that fits well with your body is crucial to ensure
a delightful and smooth riding experience for every trip. So to ensure that you
find the right fit, the JJ Adams team have put together this electric bike size
guide to help you find your ideal electric bike. If you have any questions,
please do not hesitate to contact our team.

Men's Step-Through Electric Bike Size Recommendations

Our size chart is here to assist you in selecting the ideal step-through
(comfort) electric bike based on your height. Accurately measuring your height
and comparing it with the manufacturer's size recommendations will ensure a
perfect fit. If you have any hesitations or questions, don't hesitate to reach
out to our experienced team for guidance.

Rider Height

Frame Size Suggested (inches)

Frame Size Suggested (centimetres)

4 ft 10 - 5 ft 2

13 - 14

33 - 37

5 ft 2 - 5 ft 6

15 - 16

38 - 42

5 ft 6 - 5 ft 10

17 - 18

43 - 47

5 ft 10 - 6 ft 1

19 - 20

48 - 52

6 ft 1 - 6 ft 4

21 - 22

53 - 57

6 ft 4 - 6 ft 6

23 - 24

58 - 61

 

Explore our range of Step Through Electric Bikes

Women's Step-Through Electric Bike Size Recommendations

Women's step-through electric bikes are designed with specific features that
differ from male/unisex models, such as shorter lengths, narrower handlebars,
and smaller frame sizes, to ensure a comfortable riding position and ease of
mounting. However, in certain scenarios, a male/unisex hybrid bike might be a
better fit. If you're unsure, please reach out to our expert team for advice.

 

Rider Height

Frame Size Suggested (inches)

4 ft 10 - 5 ft 2

13 - 14

5 ft 2 - 5 ft 6

15 - 16

5 ft 6 - 5 ft 10

17 - 18

5 ft 10 - 6 ft 1

19+

 

Explore our range of Step Through Electric Bikes

Men's Electric Mountain Bike Size Recommendations

This sizing chart is designed to help you find the perfect size electric
mountain bike (E-MTB) according to your height. Ensure you measure your height
accurately and cross-reference with the manufacturer's sizing to make the best
choice. If you're uncertain or have questions, our knowledgeable team is here to assist you.

Rider Height

Frame Size Suggested (inches)

Frame Size Suggested (centimetres)

4 ft 10 - 5 ft 2

13 - 14

33 - 37

5 ft 2 - 5 ft 6

15 - 16

38 - 42

5 ft 6 - 5 ft 10

17 - 18

43 - 47

5 ft 10 - 6 ft 1

19 - 20

48 - 52

6 ft 1 - 6 ft 4

21 - 22

53 - 57

6 ft 4 - 6 ft 6

23 - 24

58 - 61

 

Discover our range of Electric Mountain Bikes

Women's Electric Mountain Bike Size Recommendations

Women's electric mountain bikes are designed differently from men's/unisex
models, featuring shorter lengths, narrower handlebars, and smaller frame
sizes. However, women can certainly choose a men's/unisex e-bike if it provides
a better fit. Our experienced staff is on hand to help if you have any doubts.

Rider Height

Frame Size Suggested (inches)

4 ft 10 - 5 ft 2

13 - 14

5 ft 2 - 5 ft 6

15 - 16

5 ft 6 - 5 ft 10

17 - 18

5 ft 10 - 6 ft 1

19+



Men's Hybrid Electric Bike Size Recommendations

Our chart is tailored to guide you in selecting the ideal size for a Hybrid
Electric Bike, taking into account your height. For the best fit, it's crucial
to measure your height accurately and consult the manufacturer's size
recommendations. Should you have any doubts or need further assistance, our
knowledgeable team is ready to help.

Rider Height

Frame Size Suggested (inches)

Frame Size Suggested (centimetres)

4 ft 10 - 5 ft 2

13 - 14

33 - 37

5 ft 2 - 5 ft 6

15 - 16

38 - 42

5 ft 6 - 5 ft 10

17 - 18

43 - 47

5 ft 10 - 6 ft 1

19 - 20

48 - 52

6 ft 1 - 6 ft 4

21 - 22

53 - 57

6 ft 4 - 6 ft 6

23 - 24

58 - 61

 

Discover our range of Hybrid Electric Bikes

Women's Hybrid Electric Bike Size Recommendations

Women's hybrid electric bikes are uniquely designed compared to male/unisex
hybrids, featuring shorter lengths, narrower handlebars, and smaller frame
sizes. Often, they include a step-through frame design for easier mounting and
dismounting. It's important to note that, depending on your specific needs and
preferences, a male/unisex hybrid might be a more suitable choice. For any
uncertainties or questions, our expert team is always ready to assist.

Rider Height

Frame Size Suggested (inches)

4 ft 10 - 5 ft 2

13 - 14

5 ft 2 - 5 ft 6

15 - 16

5 ft 6 - 5 ft 10

17 - 18

5 ft 10 - 6 ft 1

19+

 

Discover our range of Hybrid Electric Bikes

Buying Electric Bikes Online

The trend of online shopping for electric bikes is on the rise,
thanks to increasing consumer trust in online shopping. Technological
advancements have significantly enhanced the online shopping journey, enabling
swift and often next-day delivery options.

Leverage our comprehensive education hub and detailed buying guides, such as
this size guide, to ensure you're well-informed and confident in your purchase.
Additionally, our team of experts is always on standby to provide you with the
necessary information and support to make the best choice for your needs.

Alternatively, you can always contact our support team so we
can do what we can to make your shopping experience all the more enjoyable!

Discovering the Best Electric Bikes in the UK

Imagine having a single source where you can gather all the information you
need about purchasing an electric bike. JJ Adams aims to be that comprehensive
resource, eliminating the need to scour the internet for answers or the ideal
electric bike. We've established partnerships with top UK electric bike
manufacturers to offer you an unparalleled selection of E-Bikes in the country.

At JJ Adams, you're provided with the convenience of shopping from any
location, assured that your ideal bike will be directly delivered to your
doorstep. Our education hub and dedicated team of experts are here to bolster
your purchasing confidence, ensuring all your queries are addressed promptly.

Should you have any questions regarding this size guide or any other
concerns, our friendly team is always available to assist you.

Rocket SX Sport Utility eBike 48V 250W Motor Top speed 15.5 mph

£1,749.00
Tax included, Shipping calculated at checkout.
Free Delivery!

Color: Brown
Rim Color
In stock
Description

The Rocket SX is the tamely  version of its big brother the Rocket X, featuring the same frame and suspension design. The Rocket SX is available with its own custom trim and wheel packages.

ATTENTION: Bikes are available in 250w 48v configuration for use on public roads, the 350w 48v configuration does not fully comply with the current EAPC requirements for UK road use.

This e-Bike has Top speed of 15.5 mph 

    Technical Specifications
    Frame Alloy 6061 Frame
    Fork Suspension Alloy Fork
    Handle Bars/Stem Alloy PROMAX
    Rim Alloy 6061# double wall rims, Anodized
    Tire 20 x 4 inch fat tyre, KENDA
    Battery 48V 10.4Ah lithium battery, Removable battery
    Motor Brushless, DC motor, Rear drive motor
    Max Speed Motor provides assistance up to 15.5mph
    Display LCD display, 9 level PAS
    Controller 48V, brushless hall controller
    Brakes F/R Hydraulic disc brake
    Derailleur Shimano
    Hubs Shaft Hubs + Quick release
    Lights Large front round headlight + rear light included
    Mudguards Yes
    Charge Time 5 Hours
    Distance Per Charge Single charge averages 20-30 Miles
    Bike Weight 32kg
    Seat height 850mm

     

    Extra Information
    • This Electric Bike will be SUPPLIED ASSEMBELD complete with charger and everything you see included.
    • Upon arrival, simple attachment of the pedals and the straightening of the handlebar will be required.
    • Colour: Black, Brown and Golden
    Warranty

    Battery Warranty: 6 Months

    Motor Warranty: 12 Months

    A faulty battery should be returned to Red Rocket GBR Ltd for testing and possible repair or replacement.
    NOTE: Batteries need to to stored correctly or the warranty will be void.

     

    Payment Options

    At JJ Adams, we provide a variety of payment methods for your convenience, including all major credit cards, PayPal, and flexible finance options for payment later.

    Your transaction security is guaranteed with state-of-the-art encryption. Choose your preferred payment method at checkout to ensure a smooth and secure purchasing process.

    Your payment choices include:

    1 - CREDIT / DEBIT CARD

    Make payments using your debit or credit card for an effortless and smooth method of payment. Simply input your card details, expiration date, and security code, and we'll process the rest securely.

    If your card is enabled for 3D-Secure, you'll be directed to your bank's security questions. We will the proceed with your order. Charges are applied only when your items are dispatched.

    2 - PAYPAL

    You can alternatively opt for PayPal for a quick, easy, and secure payment method. By selecting PayPal at checkout, you can pay directly from your account.

    We'll immediately receive confirmation from PayPal and begin processing your order. PayPal payments are fee-free for you, as JJ ADAMS BIKES covers all transaction fees.

    PayPal also offers the option to spread the cost over three interest-free payments, with PayPal's Pay in 3 scheme. To use this service:

    STEP 1: Select PayPal at checkout to utilise Pay in 3.

    STEP 2: Make your initial payment at the time of purchase.

    STEP 3: The remaining payments will be automatically collected.

    After Sale Care

    Regular servicing is key to ensuring your electric bike stays in peak condition. At JJ Adams, we have partnered with Cycle Tech UK to provide servicing and maintenance services right to your doorstep.

    While your e-bike arrives nearly assembled and having completed a Pre-Delivery Inspection, you can opt to use Cycle Tech UK to conduct the assembly for you, ensuring everything is in order. You'll have the technician walk you through your new bike, providing valuable insight into its workings.

    Initial 30-Day Service

    At JJ Adams, we strongly recommend you get your e-bike serviced in the first 30 days from purchase. Engage with skilled mechanics for a comprehensive overview of your e-bike's maintenance needs. Learn proper gear usage, battery charging techniques, and essential tips for upkeep.

    From then, we recommend you refer to your bike's owner's manual for recommended servicing intervals, typically every 1000 kilometers or 600 miles.

    Nationwide Mobile Bike Servicing

    We offer nationwide mobile bike servicing, repairs, and maintenance services through our partners Cycle Tech UK. From flat tires to complex repairs, rely on our network of qualified mechanics to keep your e-bike in top condition. Access expert repairs anywhere in the UK through our partnership with Cycle Tech UK.

    Shipping & Delivery

    Processing time:
    We aim to process and ship all orders within 1-3 business days after they are received. However, please note that processing times may be longer during peak shopping seasons, such as Black Friday and Cyber Monday.

    Shipping rates:
    We offer free shipping to our customers on orders over £200 and 4.99 standard .


    Shipping methods:
    We use a variety of shipping methods to ensure that your order arrives in a timely and secure manner. The carrier we use will depend on the shipping destination, package weight, and shipping method you select at checkout.

    Delivery times:
    Delivery times will depend on the shipping method you choose and the destination of your order. Estimated delivery times will be provided at checkout.

    Tracking information:
    Once your order has been shipped, we will provide you with a tracking number via email so that you can track your package online.

    International shipping:
    We currently don’t offer international shopping 

    Shipping restrictions:
    We cannot ship to P.O. boxes or APO/FPO addresses.

    Order changes:
    Once an order has been processed, we cannot make changes to the shipping address or shipping method. Please make sure that your shipping information is correct before placing your order.

    Returns:
    If your order arrives damaged or defective, please contact us within 48 hours of receiving your package. We will provide instructions for returning the damaged or defective item(s) and issuing a replacement or refund.

    Shipping delays:
    We are not responsible for shipping delays caused by the carrier, weather conditions, or customs processing. However, we will do our best to assist you in resolving any issues that arise during the shipping process.

    If you have any questions or concerns about our shipping policy, please don't hesitate to contact us.

    CONTACT INFORMATION

    Website: jjadamsbikes.com

    Electric Bike Size Guide

    Electric Bike Size Guide

    Find Your Perfect Fit With The Electric Bike
    Size Guide From JJ Adams

    Choosing an electric bike that fits well with your body is crucial to ensure
    a delightful and smooth riding experience for every trip. So to ensure that you
    find the right fit, the JJ Adams team have put together this electric bike size
    guide to help you find your ideal electric bike. If you have any questions,
    please do not hesitate to contact our team.

    Men's Step-Through Electric Bike Size Recommendations

    Our size chart is here to assist you in selecting the ideal step-through
    (comfort) electric bike based on your height. Accurately measuring your height
    and comparing it with the manufacturer's size recommendations will ensure a
    perfect fit. If you have any hesitations or questions, don't hesitate to reach
    out to our experienced team for guidance.

    Rider Height

    Frame Size Suggested (inches)

    Frame Size Suggested (centimetres)

    4 ft 10 - 5 ft 2

    13 - 14

    33 - 37

    5 ft 2 - 5 ft 6

    15 - 16

    38 - 42

    5 ft 6 - 5 ft 10

    17 - 18

    43 - 47

    5 ft 10 - 6 ft 1

    19 - 20

    48 - 52

    6 ft 1 - 6 ft 4

    21 - 22

    53 - 57

    6 ft 4 - 6 ft 6

    23 - 24

    58 - 61

     

    Explore our range of Step Through Electric Bikes

    Women's Step-Through Electric Bike Size Recommendations

    Women's step-through electric bikes are designed with specific features that
    differ from male/unisex models, such as shorter lengths, narrower handlebars,
    and smaller frame sizes, to ensure a comfortable riding position and ease of
    mounting. However, in certain scenarios, a male/unisex hybrid bike might be a
    better fit. If you're unsure, please reach out to our expert team for advice.

     

    Rider Height

    Frame Size Suggested (inches)

    4 ft 10 - 5 ft 2

    13 - 14

    5 ft 2 - 5 ft 6

    15 - 16

    5 ft 6 - 5 ft 10

    17 - 18

    5 ft 10 - 6 ft 1

    19+

     

    Explore our range of Step Through Electric Bikes

    Men's Electric Mountain Bike Size Recommendations

    This sizing chart is designed to help you find the perfect size electric
    mountain bike (E-MTB) according to your height. Ensure you measure your height
    accurately and cross-reference with the manufacturer's sizing to make the best
    choice. If you're uncertain or have questions, our knowledgeable team is here to assist you.

    Rider Height

    Frame Size Suggested (inches)

    Frame Size Suggested (centimetres)

    4 ft 10 - 5 ft 2

    13 - 14

    33 - 37

    5 ft 2 - 5 ft 6

    15 - 16

    38 - 42

    5 ft 6 - 5 ft 10

    17 - 18

    43 - 47

    5 ft 10 - 6 ft 1

    19 - 20

    48 - 52

    6 ft 1 - 6 ft 4

    21 - 22

    53 - 57

    6 ft 4 - 6 ft 6

    23 - 24

    58 - 61

     

    Discover our range of Electric Mountain Bikes

    Women's Electric Mountain Bike Size Recommendations

    Women's electric mountain bikes are designed differently from men's/unisex
    models, featuring shorter lengths, narrower handlebars, and smaller frame
    sizes. However, women can certainly choose a men's/unisex e-bike if it provides
    a better fit. Our experienced staff is on hand to help if you have any doubts.

    Rider Height

    Frame Size Suggested (inches)

    4 ft 10 - 5 ft 2

    13 - 14

    5 ft 2 - 5 ft 6

    15 - 16

    5 ft 6 - 5 ft 10

    17 - 18

    5 ft 10 - 6 ft 1

    19+



    Men's Hybrid Electric Bike Size Recommendations

    Our chart is tailored to guide you in selecting the ideal size for a Hybrid
    Electric Bike, taking into account your height. For the best fit, it's crucial
    to measure your height accurately and consult the manufacturer's size
    recommendations. Should you have any doubts or need further assistance, our
    knowledgeable team is ready to help.

    Rider Height

    Frame Size Suggested (inches)

    Frame Size Suggested (centimetres)

    4 ft 10 - 5 ft 2

    13 - 14

    33 - 37

    5 ft 2 - 5 ft 6

    15 - 16

    38 - 42

    5 ft 6 - 5 ft 10

    17 - 18

    43 - 47

    5 ft 10 - 6 ft 1

    19 - 20

    48 - 52

    6 ft 1 - 6 ft 4

    21 - 22

    53 - 57

    6 ft 4 - 6 ft 6

    23 - 24

    58 - 61

     

    Discover our range of Hybrid Electric Bikes

    Women's Hybrid Electric Bike Size Recommendations

    Women's hybrid electric bikes are uniquely designed compared to male/unisex
    hybrids, featuring shorter lengths, narrower handlebars, and smaller frame
    sizes. Often, they include a step-through frame design for easier mounting and
    dismounting. It's important to note that, depending on your specific needs and
    preferences, a male/unisex hybrid might be a more suitable choice. For any
    uncertainties or questions, our expert team is always ready to assist.

    Rider Height

    Frame Size Suggested (inches)

    4 ft 10 - 5 ft 2

    13 - 14

    5 ft 2 - 5 ft 6

    15 - 16

    5 ft 6 - 5 ft 10

    17 - 18

    5 ft 10 - 6 ft 1

    19+

     

    Discover our range of Hybrid Electric Bikes

    Buying Electric Bikes Online

    The trend of online shopping for electric bikes is on the rise,
    thanks to increasing consumer trust in online shopping. Technological
    advancements have significantly enhanced the online shopping journey, enabling
    swift and often next-day delivery options.

    Leverage our comprehensive education hub and detailed buying guides, such as
    this size guide, to ensure you're well-informed and confident in your purchase.
    Additionally, our team of experts is always on standby to provide you with the
    necessary information and support to make the best choice for your needs.

    Alternatively, you can always contact our support team so we
    can do what we can to make your shopping experience all the more enjoyable!

    Discovering the Best Electric Bikes in the UK

    Imagine having a single source where you can gather all the information you
    need about purchasing an electric bike. JJ Adams aims to be that comprehensive
    resource, eliminating the need to scour the internet for answers or the ideal
    electric bike. We've established partnerships with top UK electric bike
    manufacturers to offer you an unparalleled selection of E-Bikes in the country.

    At JJ Adams, you're provided with the convenience of shopping from any
    location, assured that your ideal bike will be directly delivered to your
    doorstep. Our education hub and dedicated team of experts are here to bolster
    your purchasing confidence, ensuring all your queries are addressed promptly.

    Should you have any questions regarding this size guide or any other
    concerns, our friendly team is always available to assist you.

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