RockShox Fork CSU for SID 2729B 42 - Diffusion Black 11.4018.090.013. FORK CSU - DEBONAIR 27/29 BOOST 42 OFF-SET ALUMINUM TAPER DIFFUSION BLACK SID ULTIMATE 80-100MM (2020+). For MORE GREAT DEALS on powersports parts and accessories! Your friends at MOTOMENTUM appreciate your Business!Were still the same family owned and operated business you know and love. With our growing parts list the Classic Cycle Parts name just didnt seem to fit us anymore. Whether its an impeller for a personal watercraft, a hyfax for a snowmobile, or tires for your UTV, we have you covered!
With over 400,000 parts, we have what it takes to keep you moving forward.