Butuc angrenaj Shimano 68/126 mm BB-ES 300,BSA Octalink
BOTTOM BRACKET 1l8MM BB-UN300
Shimano E-Bike chainring 34t Steps E7000 SM-CRE70-B 1
Shimano BB-UN300 Bottom Bracket - BSA 68mm Spindle 122,5 mm
CHAINRING SHIMANO FC-M391, 44T, BLACK