Shimano BB-UN300 Square Type BSA Bottom Bracket Length:118mm the Orion provides secure and

the Orion provides secure and unison fit with comfort galore

The ideal choice in terms of protection

This pole has a 5083 aluminum shaft

fancy flash

Shimano BB-UN300 Square Type BSA Bottom Bracket Length:118mm the Orion provides secure andSHIMANO 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