Shimano fc-ty501

SHIMANO Front Chainwheel 175mm with Chain Guard BB Square Shaft EFCTY501E888CLB (MTB) FC-TY501 48×38×28T 8S/7S/6S Black/Compatible 122.5mm (D-NL)

SHIMANO Front Chainwheel 170mm Chain Guard Included EFCTY5012C60CLB TOURNEY (MTB) FC-TY501-2 46×30T 8/7S

SHIMANO Repair Parts Left Crank 170mm Y1R505110 (Black) FC-TY501

SHIMANO Repair Parts 48T Chain Guard Fixing Bolt Y1R598050 (Black) & FC-TY501