Mountain Bike Front Axle Sizes

I am trying to install a front wheel on a bike the axle of the wheel is threaded but i m having trouble finding out what size thread it is and what nut can go on this. Measurement is listed for many thru axles but isn t necessary if you know the overall length. 142 x 12 thru axles are all the rage now.

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Specification Item Front Th10015 Thru Axle Tire Size 15 100mm

A thin 5mm diameter qr skewer was then slid through the hollow axle to clamp everything in place.

Mountain bike front axle sizes. The size of the thread on the axle is the same as an 8 mm screw but a standard m8 nut with 13 mm hex does not fit on it. The aim of the new standard was to keep up with the increasing demand for bigger 29 wheels. Introduced by manufacturers trek and sram the boost standard widens the rear axle by 6mm and the front axle by 10mm. For a rear thru axle this is measured from the inside to inside of your frame at the drop outs.

Rear wheels 142 x 12. Common sizes for frames 130mm 135mm 142mm 148mm 197mm. The boost hub is an alternative standard width for mtb front and rear hubs. This creates 148 x 12mm rear hubs and 110 x 15mm front hubs.

Best mountain bike wheels. Spacing on these is 142mm wide with an axle diameter of 12mm. For a front thru axle this is measured from the inside to inside of your fork. A buyer s guide skewers are for the bbq in the not so distant pas hub axles sat in slotted or open frame or fork dropouts and everything was tied together by a skinny quick release skewer that passed through the axle and when tightened against the outside of the dropouts they clamped everything together best as they could.

The hub axle which was 9mm in diameter and 100mm front or 135mm rear wide rested in these. They essentially operate the same as front thru axles on the rear of. The axle is part of the hub the axle slots into the fork dropout from the bottom and the quick release is used to clamp it in place.