SHIMANO Front Chainwheel 170mm Compatible BB Square Shaft Black EFCTY5012C60XLB (MTB) FC-TY501-2 46×30T 8S/7S 122.5mm (LL123)

Shimano part: EFCTY5012C60XLB FRONT CHAINWHEEL FC-TY501-2 FOR REAR 7/8-SPEED 170MM 46-30T W/O CG W/ CRANK FIXING BOLT CHAIN CASE NOT COMPATIBLE BLACK/Release year/model year: 2019 Target season: All year round