BSA Bottom Bracket for SRAM DUB MTB Size:SRAM DUB 29 mm This specific system is compatible

This specific system is compatible with Ultegra 6700/6770/6800/6870 mechanical and Di2 rear derailleurs and Dura Ace 7900/7970/9000/9070 mechanical and Di2 rear derailleurs

Internal O-ring to provide secure fitment on crank spindle without needing glue

CeramicSpeed All Round Grease

5mm compression ring

CeramicSpeed Long Life Grease

BSA Bottom Bracket for SRAM DUB MTB Size:SRAM DUB 29 mm This specific system is compatibleBSA Bottom Bracket for SRAM DUB MTB These hand built bearings are specially developed for off road performance. The bearings offer extreme durability and high performance efficiency and are developed specifically for DUB 28. 99 cranks. These bottom brackets are equipped with coated bearings. The coated bearings utilize the highest quality CeramicSpeed ceramic balls, running on hardened steel races with a 3 micron thick metallic coating making the