89mm Chainrings Steel
It's the perfect bike for your little ripper to start getting out on the trail with—we just wish that we had one when we were kids
TurnKey lockout
strongest crankset available
SHIMANO K05S-RX Disc Brake Pad and Spring - Resin Compound, Stainless Steel Back Plate, One Pair horn 89mm Chainrings SteelK05S RX Disc Brake Pads Provides 50% more wear resistance than previous model (K03S). Compatible with Models: BR M9100, BR M9110, BR M8110, BR R9270, BR R8170, BR R9170, BR R8070, BR R7070, BR 4770, BR RS805, BR RS505, BR RS405, BR RS305, BR U5000, BR RX810, BR RX400. Consistently smooth and quiet braking power. Designed for dry and wet conditions. Item Specifications: Backing Plate Material: Steel, Compound: Resin, Heat Sink: No, Pad Shape Number: