Road Bike Adjustment Derailleur
The majority of rear shifting problems can be solved with basic adjustments to the limit screws and index setting of the rear derailleur system.
Road bike adjustment derailleur. If you have had a fall your bike fell over in the garage or you have stored or shipped your bike it is a good idea to check your derailleur hanger before you head out on a ride. If the bike is shifting well the b screw is probably within acceptable adjustment range. Right above the derailleur is a thin cable clamped in place by a bolt or screw. The derailleur is moved by tightening or relaxing the cable tension.
Don t get too hung up on this particular adjustment. If the cogs or chain are very dirty grimy or sticky that can affect the bike s ability to shift properly. Derailleur hangers are made of soft metal and can bend easily. The majority of road and mountain bike derailleurs require a gap between 5 and 6 millimeters.
It should be parallel with the cogs in your cassette. In this video. Brake caliper mounting adjustment linear. To increase the gap tighten the b screw.
If there s any doubt where it is on your rear derailleur find it by following the cable path on the back of the bike to where the cable and housing enter the rear derailleur. The adjustment barrel is the knurled plastic piece that looks designed to be turned by hand. From behind your bike take a look at your hanger. You can use a hex wrench to gauge this distance.
Global cycling network 1 167 670 views. The derailleur is usually attached to the bike frame the metal skeleton of the bike. 5 hacks for perfect shifting on your road bike duration. How to adjust a rear derailleur.
Loosen the cable bolt and tighten the derailleur cable. Grip the top of the cable and pull up on it then loosen the bolt. To adjust the derailleur look at the point where the cable enters the rear derailleur in the photo. If you suspect that it is it needs more than this simple adjustment and you should bring your bike in to us for servicing read the sections that follow for more information.
The derailleur is a bike component that moves the chain from one cog to another when the shifter is used while a rider is pedaling. Shimano road bike derailleur compatibility 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.