Mountain Bike Gear Shift Problems

Then click through your gear selection to the top gear. On modern mountain bike shifters barrel adjusters are mounted on the shifter right where the cable housing exits the shifter body. As the 1x drivetrain becomes standard issue on capable cross country trail and enduro bikes we re left with one shifter cable and derailleur to adjust for top to bottom gear range performance.

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How To Fix Mountain Bike Gears That Won T Shift Mountain Biking

The Rear Derailleur Is A Source Of Most Bike Problems With Images

Watch 5 Shifting Problems You Ll Have And How To Solve Them

The rear derailleur is the heart of most mountain bike drivetrains.

Mountain bike gear shift problems. I take apart a trigger shifter and show the most common reason why old shifters won t shift. Turn the b screw clockwise to make the gap larger and counterclockwise to close the gap. This applies to both mountain bike trigger shifters as well as road bike sti type shifters. To put the bike into the top gear run the chain through and check it s not touching the side of the derailleur.

From the full faced helmet downhill mountain biker to the lycra clad cross country rider. The global mountain bike network is the best mtb youtube channel with videos for everyone who loves dirt. The lower limit screw is needed to adjust the lower cogs. The importance of housing length is amplified on full suspension mountain bikes where the suspension action can commonly cause a change in cable tension if the housing length is insufficient.

Websites such as utah mountain biking and bicycle tutor provide tutorials regarding shifters cables and derailleurs and the operation of the gear system on your bike. As you do that make sure you hear the chain catching on the lower end. Lubricating the chain and shift cables regularly is recommended to ensure smooth operation. Screw the limiter in so you don t hear that noise.

Most of the time a bike will shift properly with the upper pulley wheel 5 6mm away from the lowest cog.