Shimano BB-UN300 Bottom Bracket 68x110mm Without Fixing Bolts BIKESPORTZ Hub Body: aluminumAxle material: aluminumSealed

Hub Body: aluminumAxle material: aluminumSealed cartridge bearings (QRM)QRM bearing preload technologyFixed cog

Same-thickness spacers

made with the same high-grip material

robust Wera design with high accuracy as per DIN EN ISO 6789-1: 2017-07

Shimano BB-UN300 Bottom Bracket 68x110mm Without Fixing Bolts BIKESPORTZ Hub Body: aluminumAxle material: aluminumSealedShimano Bb Un300 Bottom Bracket 68x110mm w o Fixing Bolts Specifications 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 Mfr Claimed Weight TBC