Shimano BB-UN300 Square Taper Bottom Bracket - 68x118mm D4 but short enough not to

but short enough not to experience twist or damage under moderate torque as experiences on longer tools

Efficient and ergonomic overlapping design optimized for high pressure applications

The SRAM GX Eagle DUB Crankset (Lunar) delivers consistent performance every time out

Optimized 7000-series forged aluminum arms support the X-SYNC 2 chainring for complete chain control

Shimano BB-UN300 Square Taper Bottom Bracket - 68x118mm D4 but short enough not toThe quality and performance oriented Shimano BB UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line. Specifications Adapter: aluminum (left), aluminum steel (right) Axle: steel Mfr Claimed Weight TBC