SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper recumbant Pearl Izumi add a durable

Pearl Izumi add a durable water-repellent treatment to ward off the effects of an unexpected puddle or cloudburst

merino wool sock that sits above the ankle

and secure

Hardened steel cogs are optimized for eBike compatibility

with unique cable

SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper recumbant Pearl Izumi add a durableSHIMANO 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