Road Bike Stem Length Guide

As a rule of thumb on a road bike you shouldn t run a stem much shorter than 90mm or much longer than 130mm.

Road bike stem length guide. Some manufacturers specify different length stems in relation to the frame size to try and offer the best fit. Sometimes you might need to customise the stem length yourself though. The most significant thing while choosing a road stem is the length of the stem may be the key factor for overall fit of the bike. Emma s bike fit guide duration.

Competitive racers will opt for a longer 120mm stem for optimum stretch. Riders like to get a long small and aerodynamic position of the bike e g spirited racers can choose for a longer 1200 mm stem for optimum stretch. Oli beckingsale of bw cycling about reach and stem length. If you need a stem length beyond those extremes your bike frame is the wrong size.

Generally speaking stem lengths on road bikes vary from 80 to 140mm with 100 to 110mm perhaps the most common sizes. This size specific approach goes a long way to getting you set up with the correct stem length providing you ve chosen the right size frame another area where a bike fit comes in useful. Good bike shops will be very helpful in helping you get the right stem length on your new bike or buying a new stem doesn t have to cost a lot of money. Riders looking to achieve a long low and aerodynamic position on the bike e g.