SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper Compatio_Enriched The new shape of the

The new shape of the end caps facilitates disassembly and thus speeds up handling requiring disassembly

Designed to carry two bottles or accessories off of one B-RAD base

Weather-resistant softshell fabric on the outside defends against wind and water

Oil: Shimano Mineral

Also for various charging tasks using a charger

SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper Compatio_Enriched The new shape of theSHIMANO Square Type Bottom Bracket MTB Standard Structure Square Type Bottom Bracket 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