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JT SPROCKETS Sprocket - Rear - KTM - 42-Tooth JTR899.42

Part Number: 12100104
JT SPROCKETS
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SKU:
12100104
UPC:
824225310627
MPN:
JTR899.42
Condition:
New
Availability:
Ships Same Business Day
Weight:
1.52 LBS
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$34.33
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Description

A worn or damaged rear sprocket directly impacts acceleration, top-end power delivery, and chain wear rates—making sprocket selection critical to your bike's overall drivetrain efficiency. The JT Sprockets 42-tooth rear sprocket delivers the durability and precision engineering required for demanding track conditions and high-mileage riding without the premium price tag. This is the bolt-on upgrade that restores snappy throttle response and extends your chain life.

  • Fitment: KTM rear wheel
  • Tooth count: 42T
  • Material: C45 high-carbon steel
  • Manufacturing: Computer-designed geometry
  • Surface finish: Heat-treated, bead-blasted
  • Installation: Bolt-on replacement
  • Design approach: Optimized strength-to-weight
  • Quality standard: Exceeds motorcycle industry
  • MPN: JTR899.42
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Specs

MOUNTING POSITION:
REAR
RIDING STYLE:
ADVENTURE TOURING / DUAL-SPORT
MATERIAL:
STEEL
TOOTH COUNT:
42
CHAIN SIZE:
525
PRODUCT NAME:
SPROCKET
UNITS:
EACH
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Fitment

Fitment for JT SPROCKETS Sprocket - Rear - KTM - 42-Tooth JTR899.42

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