SHIMANO BB-UN26-K SQUARE Bottom Bracket 68mm /123mm 68 x 123 Bike Bicycle
SHIMANOBB-UN26-KIN OEM PACKAGINGsize: 68x 123mmchain line:50mmwasher: .7mm (included)bc: 1.37 x 24spindle:square taperedweight: 341gcondition: in oem packaging