Rear aluminium RACE sprocket JTA1303BLK-42
Rear aluminium RACE sprocket JTA1303BLK-42 is backordered and will ship within 7-21 working days
Couldn't load pickup availability
Delivery and Shipping
Delivery and Shipping
Shipping costs will be calculated at checkout.
EU delivery: 5-14 working days.
Worldwide delivery: up to 21 working days.
JT JTA1303BLK 42T Rear sprocket
For an OE replacement or gearing change, JT JTA1303BLK delivers a precise 42-tooth rear sprocket.
- JT part number: JTA1303BLK
- Tooth count: 42
- Position: Rear
- Precision-machined tooth profile for smooth engagement
- Black finish (BLK) variant (finish varies by range)
- Material: 7075‑T6 aluminium alloy (JT RaceLite range).
Gearing note: A tooth-count change tunes final drive ratio (rear up / front down = more torque; rear down / front up = more top speed).
Fitment: JT part numbers are application-specific. Confirm your exact model/year and chain pitch/size before ordering.
Maintenance: Verify chain line and torque to spec; recheck chain tension after the first ride.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details not have access to your credit card information.

