CeramicSpeed BB ALPHA Bottom Bracket Bearing Kit - For BB30 Compatible 30mm Spindle Road Optimized MFPN=8302 The Twist bottle's magnet-mechanical system 5 Internal W 32mm MFPN=175-0100036870 J372182 Color:Dark Sapphire-Reef Waters

CeramicSpeed BB ALPHA Bottom Bracket Bearing Kit For BB30 Compatible 30mm Spindle Road Optimized MFPN=8302 The Twist bottle's magnet mechanical system 5 Internal W 32mm MFPN=175 0100036870 J372182 Color:Dark Sapphire Reef Waters The Twist bottle's magnet mechanical system eliminates the need for a conventional cage offering easy attachment and release with a simple twist secured by magnetic bolts and a mechanical lock mounted to the bike with two screws Rings 46 33Number of Chainrings DoubleDrivetrain Speeds 12Chainring BCD Direct Mount SRAM 8 BoltChainline Hub Compatibility 135 142 Road Disc Hubs < 415 mm ChainstayChainline Hub Compatibility 135 142 Road Disc Hubs > 415 mm ChainstayColor BlackCrank Length (mm) 172