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JT SPROCKETS Rear Race Sprocket - 45-Tooth JTR897.45SC

Part Number: 12102473
JT SPROCKETS
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SKU:
12102473
UPC:
824225316193
MPN:
JTR897.45SC
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.62 LBS
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$29.55
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Description

A lightweight rear sprocket is one of the most effective upgrades for improving acceleration and reducing rotating mass in your drivetrain. The JT Sprockets 45-tooth rear sprocket delivers computer-optimized tooth geometry and premium material construction to maximize chain engagement while minimizing unsprung weight—critical for both track performance and responsive handling. If you're serious about extracting every tenth from your bike or building a race-ready machine, this sprocket replaces the compromises of OEM parts with engineering designed specifically for performance.

  • 45-tooth configuration
  • Japanese C45 high carbon steel
  • Heat-treated & beadblasted
  • Computer-designed geometry
  • Reduced material tension
  • Bolt-on installation
  • MPN: JTR897.45SC
  • Race-grade quality standards
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Specs

CHAIN SIZE:
520
RIDING STYLE:
STREET
MOUNTING POSITION:
REAR
PRODUCT NAME:
SPROCKET
TOOTH COUNT:
45
UNITS:
EACH
MATERIAL:
C49 HIGH CARBON STEEL
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Fitment

Fitment for JT SPROCKETS Rear Race Sprocket - 45-Tooth JTR897.45SC

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