M-Wave IS42 / 52 C Aheadset
M-Wave integrated aheadset IS42 / 52C - Suitable for 1.5" to 1 1/8" tapered steerer tubes, featuring sealed cartridge bearings and aluminium construction.
Weighs approx 80g, finished in black including crown race, top cap, washers and star nut (as shown).
Upper Bearing: IS42 - 41.8mm outer / 28.5mm inner diameter
Lower Bearing: IS52 - 52mm outer / 39.8mm inner diameter