Road Bike Derailleur Adjustment

How to adjust a rear derailleur.

Road bike derailleur adjustment.

The majority of rear shifting problems can be solved with basic adjustments to the limit screws and index setting of th. Of the two screws on top of the derailleur the one nearest the frame usually controls the lower limit. How to fix the shifting on your bike. The lower the cage is the better it will shift.

To adjust a derailleur you ll need to pedal the bike while working. Shift into the smallest front chainring and largest rear sprocket. Shimano road bike derailleur compatibility. Grip the top of the cable and pull up on it then loosen the bolt.

Don t get too hung up on this particular adjustment. The derailleur is usually attached to the bike frame the metal skeleton of the bike. With the chain on the biggest cog at the rear adjust the inner adjusting screw so that when the chain is on the smallest chainring it sits in the middle of the derailleur side plates. You can use a hex wrench to gauge this distance.

The majority of road and mountain bike derailleurs require a gap between 5 and 6 millimeters. If the bike is shifting well the b screw is probably within acceptable adjustment range. This dictates how close to. Multiple gearing has been available for bicycles since the.

Pull the cable up so that it is tight then re tighten the bolt again. All 11 speed shimano road components are inter compatible you could for example use a dura ace 9100 derailleur with a pair of 105 7000 shifters. 2 shift the bike to the highest possible gear. Thankfully adjusting a rear derailleur on a bike is a solution that is fairly simple and possible for most if not all home mechanics.

On the rear axle the lowest gear 1 st is the largest sprocket and the highest gear 5 th 6 th 7 th depending on how many sprockets are on the cassette is the smallest sprocket.