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JT SPROCKETS Sprocket - Rear - Yamaha - 39-Tooth JTR848.39

Part Number: 12100261
JT SPROCKETS
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SKU:
12100261
UPC:
824225308969
MPN:
JTR848.39
Condition:
New
Availability:
Ships Same Business Day
Weight:
2.20 LBS
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$39.73
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Description

A worn or incorrect rear sprocket directly impacts your bike's acceleration, top-end speed, and drivetrain efficiency—making sprocket selection critical for any serious rider. The JT Sprockets 39-tooth rear sprocket delivers the precise gearing you need with engineered strength that handles aggressive acceleration and sustained high RPMs without compromise. Built from premium C45 high-carbon steel and heat-treated for durability, this bolt-on replacement restores optimal power delivery while outlasting inferior alternatives.

  • Fitment: Yamaha specific
  • Tooth count: 39-tooth rear
  • Material: C45 high-carbon steel
  • Manufacturing: Computer-designed
  • Surface finish: Bead blasted
  • Heat treatment: Full hardening
  • Installation: Bolt-on replacement
  • Weight: Optimized minimum
  • Quality standard: OEM-exceeding
  • MPN: JTR848.39
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Specs

PRODUCT NAME:
SPROCKET
RIDING STYLE:
ADVENTURE TOURING / DUAL-SPORT
RIDING STYLE:
STREET
TOOTH COUNT:
39
UNITS:
EACH
CHAIN SIZE:
530
MOUNTING POSITION:
REAR
MATERIAL:
STEEL
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Fitment

Fitment for JT SPROCKETS Sprocket - Rear - Yamaha - 39-Tooth JTR848.39

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