Road Bike Derailleur Adjustment

Manufacturers recommend a 2mm spacing but this is only meant as a general guide and not a rule.

Road bike derailleur adjustment.

To adjust a derailleur you ll need to pedal the bike while working. This will clamp the bolt down on the cable so it can t move. Shift into the smallest front chainring and largest rear sprocket. Thankfully adjusting a rear derailleur on a bike is a solution that is fairly simple and possible for most if not all home mechanics.

2 shift the bike to the highest possible gear. Grip the top of the cable and pull up on it then loosen the bolt. If the bike is shifting well the b screw is probably within acceptable adjustment range. The derailleur is usually attached to the bike frame the metal skeleton of the bike.

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. Multiple gearing has been available for bicycles since the. The lower the cage is the better it will shift. The majority of rear shifting problems can be solved with basic adjustments to the limit screws and index setting of th.

This dictates how close to. Don t get too hung up on this particular adjustment. You can use a hex wrench to gauge this distance. Shimano road bike derailleur compatibility.

The majority of road and mountain bike derailleurs require a gap between 5 and 6 millimeters. 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. Pull the cable up so that it is tight then re tighten the bolt again. 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.