Bottom Semi Headset

Code:BH10
Technical Descripiton(S.H.I.S): ZS44/30
Bottom head tube inside diameter: 44mm
Crown race seat diameter: 30mm
Cartridge Bearing Size O30.15xO41x6.5x45˚x45˚
Weight: 33grams

Code:HI65B
Technical Descripiton(S.H.I.S): ZS44/30
Bottom head tube inside diameter: 44mm
Crown race seat diameter: 30mm
Cartridge Bearing Size O30.15xO39x6.5x45˚x45˚
Weight: 28grams

Code:HI65
Technical Descripiton(S.H.I.S): ZS44/30
Bottom head tube inside diameter: 44mm
Crown race seat diameter: 30mm
Cartridge Bearing Size O30.15xO39x6.5x45˚x45˚
Weight: 29grams

Code:HI130
Technical Descripiton(S.H.I.S): ZS49/30
Bottom head tube inside diameter: 49mm
Crown race seat diameter: 30mm
Cartridge Bearing Size O30.15xO41x6.5x45˚x45˚
Weight: 41grams

Code:HI122B
Technical Descripiton(S.H.I.S): ZS56/40
Bottom head tube inside diameter: 56mm
Crown race seat diameter: 39.8mm
Cartridge Bearing Size O39.8xO52x7x45˚x45˚
Weight: 53grams

Code:HI121B
Technical Descripiton(S.H.I.S): ZS55/40
Bottom head tube inside diameter: 55mm
Crown race seat diameter: 39.8mm
Cartridge Bearing Size O39.8xO52x7x45˚x45˚
Weight: 50grams