Ciari Otto Integrated 1-1/8" Headset Silver MFPN=EBBES300I18 Non-toxic made using a soy-based

Non-toxic made using a soy-based extract

Misc Fits seatposts from 25 to 46mm

Fits all Pro4 hubs

Tooth Count 44 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 130 Color Black Defined Color Black Material Aluminum

Ciari Otto Integrated 1-1/8" Headset Silver MFPN=EBBES300I18 Non-toxic made using a soy-basedOtto HeadsetSealed angular contact bearings Machined 6061 T6 aluminum top bearing cover & crown race Color Silver Bearing Type Cartridge Crown Race 30 Defined Color Silver S. H. I. S Upper IS42 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless S. H. I. S Lower IS42