Shimano SM-BB52 Hollowtech Threaded Bottom Bracket 68/73 Shell Width Kids Check the tightness of the

Check the tightness of the cage and you're good to go

Size: S/M 54-58cm

A pair of Graphene-infused compounds in a targeted array across the tire to reduce rolling resistance

FGD and ICS technologies-powered tread design provides sensational handling confidence and performance

Shimano SM-BB52 Hollowtech Threaded Bottom Bracket 68/73 Shell Width Kids Check the tightness of theSHIMANO Threaded Bottom Bracket 68 73 mm shell width SM BB52 SHIMANO Bottom Bracket Threaded HOLLOWTECH II 68 73 mm shell width With better sealing and rotation the SHIMANO DEORE bottom bracket delivers high driving efficiency. FEATURES Better sealing performance PRODUCT SPECIFICATIONS MODEL NO SM BB52 SERIES DEORE M610 Series HOLLOWTECH II bottom bracket_Threaded bottom bracket type Threaded bottom bracket shell width (mm)_68 Threaded bottom bracket