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Cranks Like much of the rest of fitting a bicycle, choosing the proper crank arm length and gearing is largely a matter of your size, riding style, and personal preference. Longer cranks give you more leverage, which is helpful if you like to push big gears at a low cadence ( As you may in hill climbing, and time trial.). Likewise, spinning at a high cadence is aided by riding with standard cranks. As a starting point, we often recommend 170mm cranks on 54cm C-T road frames and smaller, 170–172.5mm cranks on 55–61cm frames, and 172.5–175mm cranks on 62cm frames and larger. Mountain bikes generally get cranks 2.5–5mm longer than road bikes; that is, you might want a 175mm crank on your mountain bike if you’re set up with a 172.5 on your road bike. Find out how to determine your inseam Find out how to determine your proper saddle height Find out how to determine your proper toptube and stem length Find out what size handlebars will fit best |
