Mountain Bike Crankset Guide

Sram truvative crank system.

Mountain bike crankset guide. Short arms are good for pedaling up hill while longer ones are better for downhill. Spindle diameter is 24mm on the drive side and 22mm on the non drive side where the splines are. Sizes go up by 5mm. Crank spindle is pressed into the drive side crank arm.

The mountain bike cranks we re talking about here span a price range from just over 100 to past 500 but they all have a couple of things in common. The default or standard crank arm length is 175mm on mountain bikes and is always measured in millimeters. Crank length is usually indicated on the inside of each crank close to the threaded hole for the pedal. The standard mountain bike crank arm length is 175mm.

Clear selection compare products select within 4 select within 2. Enduro all mountain. Components mtb category crankset. Clear selection compare products select within 4 select within 2.

This is the most common type of crankset found on freestyle bmx bikes and features two separate crank arms which attach to a splined axle. Bmx cranks fall under four main camps. Choosing your crank length is a wide open debate on what is best for you and your leg length there are many articles that explain different theories behind crank length selection. Three piece two piece one piece and race cranks.

The crank slides completely through a 24x37 drive side bearing and stops against a 22x37 non drive side bearing. On this image you can see 172 5 that denotes it is a 172 5mm crank length. Sram omnium track bicycle crankset w gxp cups. Shimano on social media.

Race face atlas mountain bike crankset. However smaller frames and ladies bikes are generally 165mm. Longer cranks offer more leverage and are good for riders with longer legs. Understanding the best mountain bike cranks.

You can buy longer mountain bike crank arms as they go up to 180mm. The key factors to help you get the right crankset include the construction material crank arm length gear ration and chainrings number and the bottom bracket compatibility. Reviews of the best mountain bike cranksets. Smaller frames and women specific frames both may come with shorter crank arms usually 165mm.

Shimano altus m311 7 8s 42x32x22 175mm chainset. They re all single ring units although a couple can be configured to twin ring if you want as that s become the default choice for trail transmissions. The traditional crank length on a mountain bike is 175mm but 165 170 and 180mm cranks are also sometimes available. Shimano fc m780 xt crankset.

We ve just taken you through an encyclopedic guide teaching you everything you need to know about buying the best crankset for mountain bike. Two piece cranks feature the axle integrated into one of the crank arms.