Shimano Threaded & Pressfit 24mm Bottom Brackets BSA Threaded Shape: "Square-off" with slightly rounded

Shape: "Square-off" with slightly rounded corners - To distribute stress and prevent nail breakage and ingrown nails

Width: 47c

For more detailed information

Alivio BR-MT200

This axle is a Cro-moly upgrade and substantially stiffer and more reliable than the factory axles

Shimano Threaded & Pressfit 24mm Bottom Brackets BSA Threaded Shape: "Square-off" with slightly roundedShimano's external Bottom Brackets are the benchmark for reliability and performance. These suit all 24mm Spindles & Shimano HOLLOWTECH II Systems. Compatible with many other brands of crank. FEATURES Bottom bracket with small ball bearings for a truly lightweight offering Advanced seal construction for smoother rotation SERIES: DURA ACE Weight: 65g Improved seals, lightest body, least resistance SERIES: ULTEGRA 105 Weight: 77g Better seals,