Road Bike Derailleur Adjustment

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.

Road bike derailleur adjustment. If chain shifts off the outside of the large chainring the outer limit is set too loose. The majority of rear shifting problems can be solved with basic adjustments to the limit screws and index setting of the rear derailleur system. You can use a hex wrench to gauge this distance. Shift the back gears to something in the middle so that it doesn t pull your chain either way as you shift.

How to adjust your rear derailleur on a mountain bike duration. The majority of front shifting problems can be solved with basic adjustments to the limit screws and index setting of the front derailleur system. How to fix the shifting on your bike. In this video.

Then pedal the bike and shift up and down through the front derailleur making sure that you don t have any issues. Clockwise decreases the tension moving it back towards the frame. Test shift to the large ring. Now with the chain on the smallest cog on the rear cassette pedal the bike with one hand and pull the front derailleur so that the chain goes onto the largest chainring at the front and is again.

Shift derailleur from next to largest to largest ring using hand pressure on inner wire rather than shift lever. Turning the adjuster anticlockwise increases tension on the cable bringing the derailleur closer to the wheel. Adjust the back derailleur into the middle cog then test your shifting in the front. Shift the bike to the highest possible gear.

The majority of road and mountain bike derailleurs require a gap between 5 and 6 millimeters. If shifting is slow loosen h limit screw slightly and repeat test. In this video we ll show you how to properly set. If the bike is shifting well the b screw is probably within acceptable adjustment range.

Regular guy mountain biking 102 170 views. Adjust shimano mechanical road front derailleurs duration. To adjust a derailleur you ll need to pedal the bike while working.