JT HDR chain roller 7.77 mm close-up for precise power transfer on performance bikes
JT HDR chain master link clip detail for quick-release reliability
JT HDR chain roller 7.77 mm close-up for precise power transfer on performance bikes
JT HDR chain master link clip detail for quick-release reliability

JT Sprockets JTC420HDR140SL 420 HDR 140-Link Heavy Duty Drive Chain

Seamless power for competitive riding The JT HDR Heavy Duty Chain blends race-ready performance with reliable durability....
Vendor: JT
Availability: In stock
£48.04
£48.04
Please hurry! Only 5 left in stock
Subtotal: £48.04
10 customers are viewing this product

Free UK Delivery on All Orders

No Minimum Spend Fast & Reliable Delivery Ships Across the UK

Free Returns

30-Day Free Returns
JT HDR chain roller 7.77 mm close-up for precise power transfer on performance bikes

JT Sprockets JTC420HDR140SL 420 HDR 140-Link Heavy Duty Drive Chain

£48.04
JT HDR chain roller 7.77 mm close-up for precise power transfer on performance bikes
JT HDR chain master link clip detail for quick-release reliability

JT Sprockets JTC420HDR140SL 420 HDR 140-Link Heavy Duty Drive Chain

£48.04
Description
Description
x

Seamless power for competitive riding

The JT HDR Heavy Duty Chain blends race-ready performance with reliable durability. Designed for high-level racing use, it delivers top performance while minimizing weight, giving riders a responsive feel in gear changes and acceleration on demanding tracks and trails.

Crafted with cutting-edge technology and the highest-grade special steel alloys, this chain is built to meet the needs of modern motorcycles across street, MX, enduro, off-road, and ATV applications. When paired with JT Sprockets, riders often experience improved engagement and smoother power transfer, contributing to a more confident ride in varying conditions.

What sets it apart

  • Lightweight construction supports quick throttle response and agile handling
  • Stiff, durable design resists fatigue under high torque and rough terrain
  • Precise dimensions help ensure consistent engagement and chain longevity
  • Clip master link enables quick, secure assembly for field maintenance

Specifications at a glance

  • Roller diameter: 7.77 mm
  • Pin length: 15.05 mm
  • Inner plate thickness: 1.6 mm
  • Outer plate thickness: 1.6 mm
  • Weight per 100 links: 1.63 lbs
  • Avg. tensile strength: 4189 lb-f
  • Master link type: Clip
  • Pin rivet presses: 2
  • Fit type: Vehicle specific

Real-world use scenarios

On a twisty track, the chain’s combination of light weight and strength translates to crisp, confident shifts and rapid power delivery. On rugged trails, the robust design helps absorb shocks and maintain drivetrain integrity through rough sections. For long rides or endurance sessions, the chain profile aims to balance performance with durability when paired with compatible sprockets.

Note: Results may vary with setup, maintenance, and riding conditions. This description highlights features and potential benefits based on the specifications and typical use cases.

FAQ

Q: What makes the JT HDR chain suitable for modern motorcycles?

A: The chain uses high-grade alloys and precise specs to meet the needs of street, MX, enduro, off-road, and ATV bikes, supporting reliable power transfer.

Q: How should I pair the JT HDR chain with sprockets?

A: Pair it with JT Sprockets to help maximize performance; ensure a vehicle-specific fit for your bike.

Shipping & Return
Shipping & Return
x

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Complete Your Setup

Example product title
£48.04
£48.04
Example product title
£48.04
£48.04
Example product title
£48.04
£48.04
Example product title
£48.04
£48.04
Example product title
£48.04
£48.04
Example product title
£48.04
£48.04
Example product title
£48.04
£48.04
Example product title
£48.04
£48.04
Example product title
£48.04
£48.04
Example product title
£48.04
£48.04

Recently Viewed Products