Shimano BB-UN300 Square Type BSA Bottom Bracket Length:122.5mm PRODUCT WEIGHT: 360G (SIZE M)

PRODUCT WEIGHT: 360G (SIZE M)

SUP surfing

Coolfit Anti-Microbial padding

without additional bulk

Shimano BB-UN300 Square Type BSA Bottom Bracket Length:122.5mm PRODUCT WEIGHT: 360G (SIZE M)SHIMANO Square Type Bottom Bracket MTB Standard Structure FEATURES SHIMANO quality performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available Standard, E type, chain case options Adapter material: Aluminum MODEL NO BB UN300 SERIES TOURNEY A070 Series Remarks * w Crank arm fixing screws spec. only ** w Crank arm fixing screws spec. is available Structure Standard Spindle Square type