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Headset bearing


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Headset highly sealed bearing, suitable for a wide range of Mortop Headset replacement.


Type Size Weight±5%
B39 Ø30.15xØ39x6.5x45˚x45˚ 16
B41 Ø30.15xØ41x6.5x45˚x45˚ 20.3
B418-6.5 Ø30.15xØ41.8x6.5x45˚x45˚ 21.9
B418-8 Ø30.15xØ41.8x8x45˚x45˚ 25.1
B469 Ø34.1xØ46.9x7x45˚x45˚˚ 28.3
B518 Ø39.8xØ51.8x8x45˚x36˚ 32.7
B52 Ø39.8xØ52x7x45˚x45˚ 31.1

Tech Specs

Ball Cartridge
Race Material Steel