SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper Compatio_Enriched Also for various charging tasks

Also for various charging tasks using a charger

compared to previous GP5000 versions

Tubelss 2PLY Casing

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

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

SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper Compatio_Enriched Also for various charging tasksSHIMANO 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