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JT Sprockets 525 Zinc Black Heat-Induction Hardened Rear Sprocket, 42T (JTR1331.42ZBK)

Part # JTR1331.42zbk
Item #210060
Fits 16 motorcycles
  • Honda
    • CRF1000 A-K Africa Twin ABS · 2019
    • CRF1000 A2-K Africa Twin Adventure ABS · 2019
    • Africa Twin 1000 · 2016–2017
    • CRF1000 L-J Africa Twin · 2018
    • CRF1000 L2-J Africa Twin Adventure Sport · 2018
    • CRF1000 D-J Africa Twin DCT · 2018
    • CRF1000 D-K Africa Twin DCT · 2019
    • CRF1000 D2-K Africa Twin DCT Adventure · 2019
    • CRF1100 L Africa Twin · 2020–2025
    • CRF1100 L Africa Twin ES · 2024
    • CRF1100 L Africa Twin DCT · 2020–2025
    • CRF1100 L Africa Twin Adventure · 2023
    • CRF1100 L Africa Twin Adventure ES · 2023
    • CRF1100 L Africa Twin Adventure Sports ES · 2020–2025
    • CRF1100 L Africa Twin Adventure DCT · 2023
    • CRF1100 L Africa Twin Adventure Sports ES DCT · 2020–2025
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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
JT Sprockets Zinc Black Heat-Induction Hardened Rear Sprocket — JTR1331.42ZBK (42T)
Product Details

JT's zinc-black plated rear sprocket — same steel core as JT's standard rear, plus a black finish and the heat-induction hardening that holds up better on hard-ridden street bikes.

  • Heat-induction hardened tooth crowns extend service life under aggressive street and trackday use.
  • Zinc-black plating for corrosion resistance and the murdered-out look.
  • CNC-machined to OEM bolt pattern; drops in without modification.
  • Same fitment universe as JT's steel rear in this base number.
  • Built by JT Sprockets in the UK and Thailand.

Intended use: street, sport, trackday.

Fitment

Honda: CRF1000 A-K Africa Twin ABS 2019 · CRF1000 A2-K Africa Twin Adventure ABS 2019 · Africa Twin 1000 2016–2017 · CRF1000 L-J Africa Twin 2018 · CRF1000 L2-J Africa Twin Adventure Sport 2018 · CRF1000 D-J Africa Twin DCT 2018 · CRF1000 D-K Africa Twin DCT 2019 · CRF1000 D2-K Africa Twin DCT Adventure 2019 · CRF1100 L Africa Twin 2020–2025 · CRF1100 L Africa Twin ES 2024 · CRF1100 L Africa Twin DCT 2020–2025 · CRF1100 L Africa Twin Adventure 2023 · CRF1100 L Africa Twin Adventure ES 2023 · CRF1100 L Africa Twin Adventure Sports ES 2020–2025 · CRF1100 L Africa Twin Adventure DCT 2023 · CRF1100 L Africa Twin Adventure Sports ES DCT 2020–2025

Specifications

Sprocket PositionRear
MaterialC49 high carbon steel
FinishZinc Black
Tooth TreatmentHeat-induction hardened
Best ForStreet, Off-road / Trail

Verified from Garamoto’s catalog & fitment data.

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