Road Bike Derailleur Adjustment

Grip the top of the cable and pull up on it then loosen the bolt.

Road bike derailleur adjustment. To adjust a derailleur you ll need to pedal the bike while working. 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. Don t get too hung up on this particular adjustment.

If the bike is shifting well the b screw is probably within acceptable adjustment range. Manufacturers recommend a 2mm spacing but this is only meant as a general guide and not a rule. 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. 2 shift the bike to the highest possible gear.

Shimano road bike derailleur compatibility. How to fix the shifting on your bike. 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. The derailleur is usually attached to the bike frame the metal skeleton of the bike.

The majority of road and mountain bike derailleurs require a gap between 5 and 6 millimeters. Pull the cable up so that it is tight then re tighten the bolt again. 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. For correct height adjustment position the bottom of the derailleur cage as close to the largest sprocket teeth as possible so that it still clears.

The lower the cage is the better it will shift. You can use a hex wrench to gauge this distance. Thankfully adjusting a rear derailleur on a bike is a solution that is fairly simple and possible for most if not all home mechanics. How to adjust a rear derailleur.

This dictates how close to.