Shimano BB-UN300 Square Taper Bottom Bracket | 68x118
Product Description
The Shimano BB-UN300 is a square taper bottom bracket designed for frames with a 68mm shell width and 118mm spindle length. Part of Shimano's trusted Tourney series, it features a sealed cartridge bearing for smooth, consistent pedalling performance and long-term durability.
Compatible with square taper cranks, it's a reliable and affordable replacement or upgrade for road and MTB drivetrains. Easy to install and built to Shimano's exacting quality standards.
Key Features
The Shimano BB-UN300 is a square taper bottom bracket designed for frames with a 68mm shell width and 118mm spindle length. Part of Shimano's trusted Tourney series, it features a sealed cartridge bearing for smooth, consistent pedalling performance and long-term durability.
Compatible with square taper cranks, it's a reliable and affordable replacement or upgrade for road and MTB drivetrains. Easy to install and built to Shimano's exacting quality standards.