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2015-2017 Yamaha YZ125
Yamaha YFM400 Big Bear 4x4 2003-2004
Precision-woven
Predrilled pieces mount easily to stock
Dimensions : L 109 mm x W 19 mm x H 19 mm
Renthal 130U-520-43GBSI REN Rear Sprockets fuel-air-jets-pilot-jets 2015-2017 Yamaha YZ125Renthal UltraLight Rear Chainwheels are CNC machined from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. A combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal's light weight all
