Product Description Press-fit Bearing for 30 mm axle: the BB30 Bottom Bracket by FSA BB30 refers to a bottom bracket standard for bearings pressed directly into the bottom bracket shell. Characteristic is the installation dimension of 42 mm and the shell width of 68 or 73 mm. A BB30 bottom bracket always accepts (without adapter) only one axle with 30 mm diameter - hence the name. Specifications:Application:Road, Cross CountryType:BB30Shell Diameter:42 mmShell Width:68 mmAxle Diameter:30 mmTechnical Information:Bearings:steel or ceramicCompatibility:BB30 Road cranks Note: The 200-3002 bottom bracket also does the following: Installation of FSA BB386EVO and MegaExo Pinch Bolt Road cranks in BB30 framesInstallation of FSA BB386EVO, MegaExo NBD and MegaExo Pinch Bolt Road cranks in Cannondale BB30A 73 mm framesInstallation of FSA BB392EVO, MegaExo NBD 24 mm, MegaExo NBD 19 mm, MegaExo Pinch Bolt 24 mm and Shimano MTB cranks in 68/73 mm BB30 framesAdditional adapters / spacers are required. The 200-3000 bottom bracket also does the following: Installation of FSA BB386EVO Road cranks in BB30 framesInstallation of FSA BB392EVO, MegaExo NBD 24 mm, MegaExo Pinch Bolt 24 mm and Shimano MTB cranks in 68/73 mm BB30 framesAdditional adapters / spacers are required. Models:Standard: Bearings: steelRecommended Cranks: SL-K Light, Energy, Gossamer, TriMax TT, Omega, Assault (BMX)Model Number: BB-OS6000Manufacturer Number: 200-3002 ceramic: Bearings: ceramicRecommended Cranks: K-Force Light, TriMax Carbon TTModel Number: BB-OS8200Manufacturer Number: 200-3000Contents:1 x FSA BB30 right bearing1 x FSA BB30 left bearing2 x snap ring1 x spring wave washerincl. dust cap Weight: black | BB30: 57 g Manufacturer: F.S.A. S.R.L. Via Francesco Petrarca. 4 20123 Milan Italy info@fullspeedahead.com