Krause Racing's Sidewinder Products

Honda CRF150F/230F Conversion Kits

All Contents of this Website are Copyrighted  Krause Racing Inc. 2001-2008
HONDA CRF 150F/230F 428 Ti-Moly
Conversion Kit
2003  to 2008
the stock 520 o-ring chain and sprocket system has tremendous drag and was originally designed for the
Honda XR650R. the stock setup sucks the bottom-end life out of the motor plus it is way heavy.
The
Sidewinder "520 to 428" chain pitch conversion systems are very popular with riders seeking maximum
power transfer, greater holeshot potential and overall performance and handling improvements from their 2003
t0 2007 CRF 150F and CRF 230F. Drive system life and reliability is not compromised due to the selection of
ultra-high tensile strength Sidewinder chains. Ti-Moly sprockets are provided in most kits. All 428 conversion
kits are provided with only our highest tensile strength chain available...16,000 lb. rating.
CRF 150F/230F Ti-Moly  Conversion Kit...............  520 pitch to 428 pitch...............$299.99
CRF 150F/230F Aluminum Alloy Conversion Kit........ 520 pitch to 428 pitch.........$279.99
Honda CRF 150R/ 150 Expert Ti-Moly
Conversion Kit  
2007 to 2008


The Sidewinder Upsize conversion kit (420 to 428 pitch) is an absolute essential modification for the CRF150R
and expert models. The stock drive system was borrowed from the Honda 60cc mini bike and is way undersized
for even a stock 150R. Upgrade immediately to avoid the risk of broken engine cases or worse. The Sidewinder
kit employs the Ti-Moly sprockets and the 16,000 lb. Ti-Series Chain for maximum power and virtually endless life.
CRF 150R Ti-Moly  Conversion Kit........  420 pitch to 428 pitch......................$299.99
CRF 150 Expert Titanium Conversion Kit.......  420 pitch to 428 pitch............$299.99
  • Reduces Weight by Over 3 lbs.
  • Huge Reduction in Friction & Drag
  • Adds Almost 3 Horsepower
Sidewinder CRF150 Chain Conversion kit on the bike
Sidewinder CRF150 Chain Conversion kit
Sales 630 513 1000
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