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JT Sprockets 39 Tooth Sprocket - JTR848.39

  • Part #:
    81000339
  • Manufacturer Part #:
    JTR848.39

MSRP Price: $41.95

Our Price: $37.76

You Save $4.19 (10%)
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Overview of JT Sprockets 39 Tooth Sprocket - JTR848.39
  • Maximum strength sprockets at minimum weight; front sprockets made with C45 steel and SCM415 chromoly steel alloy -- rear sprockets made with C45 high carbon steel
  • Each sprocket is heat-treated and finished by hand
  • Each sprocket is sandblasted to reduce surface tension
  • Rear sprockets are anodized to a beautiful satin-silk finish
  • Meet or exceed the highest-quality compound standards set by the motorcycle industry


  • NOTE: Anytime you use other than the standard front/rear sprocket sizes, clearance must be checked. When converting to a smaller chain size, especially for racing, be sure to use the highest-grade O-ring chain available (heavy-duty non-O-ring acceptable for drag racing)

Specs for JT Sprockets 39 Tooth Sprocket - JTR848.39

Chain Size 530
Number of Teeth 39
Position Rear
Type Sprocket - Steel
Type Sprocket - Rear
Units Each
Weight 2.30 lbs

Alternate/OEM Part Number(s):

12100261

UPC Code:

824225308969
Specs for JT Sprockets 39 Tooth Sprocket - JTR848.39
Chain Size 530
Number of Teeth 39
Position Rear
Type Sprocket - Steel
Type Sprocket - Rear
Units Each
Weight 2.30 lbs
Fitment for JT Sprockets 39 Tooth Sprocket - JTR848.39

Part 81000339 fits the following machines

Make Sure This Fits Your Ride
Yamaha
  • 1975 Yamaha RD250
  • 1974 Yamaha RD250
  • 1973 Yamaha RD250
  • 1975 Yamaha RD350
  • 1974 Yamaha RD350
  • 1973 Yamaha RD350
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Instructions and Manuals for JT Sprockets 39 Tooth Sprocket - JTR848.39

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