Bike Parts Shimano Bottom Brackets | Shimano Un300 British Thread Bottom Bracket Silver

The Shimano Un300 British Thread Bottom Bracket Is Developed For Traditional Mtb Chainsets And It Is Available In Many Different Size Options To Select.

This Mtb Bottom Bracket Is Specifically Designed For Traditional Chainsets And It Is Available In Many Different Size Options To Select. It Features A Durable And Hard-Wearing Sealed Cartridge With A Square Tapered Spindle Fitting. Shimano Has Also Equipped This Version With Maintenance-Free Sealed Cartridge Bearings, Which Keep Out Mud, Dirt And Water For A Longer Bearing Life.