(M36 x 24T) Italian Thread (SM-BBR60) 10 Y1H598160 Gear Fixing Screw (M8 x 10.1 / 1 Unit = 4 pcs.) Y1W834000 Chainring 34T-MS for 50-34T 11 Y1W836000 Chainring 36T-MT for 46-36T/52-36T Y1W839000 Chainring 39T-MW for 53-39T Y1W898010 Chainring 46T-MT for 46-36T 12...
36T Y1W839000 Chainring 39T-MW for 53-39T Y1W898010 Chainring 46T-MT for 46-36T 12 Y1W898020 Chainring 50T-MS for 50-34T Y1W898030 Chainring 52T-MT for 52-36T Y1W898040 Chainring 53T-MW for 53-39T 13 Y1W898090 46-36T Gear Fixing Bolt (M8 x 10.1 / 1 Unit = 4 pcs.) ...