JT Sprockets  |  SKU: JTA1303BLK-42

Rear aluminium RACE sprocket JTA1303BLK-42

€29,90
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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.

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JT JTA1303BLK 42T rear sprocket (7075‑T6 aluminium)
JT Sprockets

Rear aluminium RACE sprocket JTA1303BLK-42

€29,90

JT JTA1303BLK 42T Rear sprocket

For an OE replacement or gearing change, JT JTA1303BLK delivers a precise 42-tooth rear sprocket.

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.

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