Mountain Bike Front Axle Sizes

Boost is 15 x 110mm front 12 x 148mm rear.

Mountain bike front axle sizes. Boost is the latest and greatest axle platform which all performance mountain bike frame and fork manufacturers are adopting. Shop a large selection of bike quick release and thru axle skewers. Same as 4 1 2 inches. Thru axles are also inserted through a hollow hub axle.

15 x 100mm 127 length 1 5. Until boost came along 15x100mm was the most common thru axle standard. Old quick release hubs and 142 x 12mm thru axle hubs have the same widths between the hub flanges so there is no change in terms of hub flange positioning and wheel strength and stiffness. When answering the question what size mountain bike do i need what really matters is how the bike.

Xc trail enduro. Boost gives a 148 x 12mm spacing which allows for the hub flanges to be further apart which gives a potentially stronger and stiffer rear wheel. Wheelbase is the horizontal measurement between the centre of the front and rear axle. By submitting this form you consent to sending the above information to trek bicycle which will be stored in the united states.

Most thru axles are described by four measurements and you might see them described something like this. 114 mm rear 3 4 speed. This is us u k. Also front hubs for downhill bikes with 20 mm axles.

How to measure a bicycle thru axle. In this example 15mm is the diameter 100mm is the o l d 127mm is the overall length and 1 5mm is the thread pitch. Get special offers exclusive product news and event info straight to your inbox. Traditionally frames and forks had slotted dropouts.

Boost widens the rear axle by 6mm and the front axle by 10mm. A guide to mountain bike axle standards 1.