Wheels Manufacturing BB30 to Shimano Thread-Together Bottom Bracket ZERO Ceramic Hybrid Bearings BLK MFPN=ZH0956 }Park Tool BBP-1

}Park Tool BBP-1

4 Flat Protection Sidewall ISO Width (mm) 61 ISO Diameter 584 / 650b / 27

Length 240Rail Material TitaniumSaddle Cut Out NoMaterial SyntheticClamp Style Std RailsGender/Age UnisexColor BlackWeight 205Width 142Defined Color Black

3 Position (Includes Spool

Wheels Manufacturing BB30 to Shimano Thread-Together Bottom Bracket ZERO Ceramic Hybrid Bearings BLK MFPN=ZH0956 }Park Tool BBP-1Wheels Manufacturing BB30 to Shimano Thread Together Bottom Bracket with ZERO Ceramic Hybrid Bearings Black. Machined aluminum shell threads together for precise bearing alignment and frame fit reducing bottom bracket creaking and premature bearing wear. Replaceable Enduro bearings Made in the USA TECH SPECS Bottom Bracket Shell I. D. 42 BB Frame Interface BB30 BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 127 Spindle Interface Type Shimano