Road Bike Not Shifting To Lowest Gear

Global cycling network 1 169 301 views. I walk through the steps to isolate and locate. Derailleur hanger doesn t seem bent.

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Road bike not shifting to lowest gear. In comparing to another similar bike i have that works fine i can see that the rear derailer on the properly working bike is perfectly aligned compared to the gears. I set the shifter to the lowest setting but the chain won t shift onto either of the 2 largest gears. I also know that it shifted into the largest gear before so whatever i did must be fixable. The problem will be the shifters derailleurs or cables.

Poor shifting 6 main causes of bad gear change. Adjust until there is about. The highest gear is the little one near the bike s seat stay and chain stay junction. It looks like the rear derailer isn t aligned straight with the rest of the bike.

I am often asked how to fix a bike that won t shift gears or will only shift to some gears. Turning clockwise will increase the gap anti clockwise will close it. Visually check that the upper derailleur cage is in line beneath the largest rear sprocket. If it is not adjust the limit screw until the.

When it comes to mountain roads most road bikes don t have low enough climbing gears. Here s a picture when i m shifted in the lowest gear. Just like the lowest gear the ideal limit adjustment places the derailleur s upper pulley directly in line with the highest gear preventing the chain from shifting off of the cassette and into the frame. When the first cog shifts correctly continue to move through the gears in your cassette fine tuning with the barrel adjuster as you go.

The problem that i m facing now is that i can t seem to shift into my lowest gear. The derailleur itself doesn t seem broken or bent. I see people struggling all the time grinding away trying to get over the top of their lowest gears so that their pedalling rate doesn t drop to catastrophically low turning speeds. Shift into the lowest gear largest rear sprocket.

A bike with 30 or more gears is not an indication of a machine designed to break the land speed record any more than a bike with only a single gear assuming similar ratios. With the bike in the highest gear the upper jockey wheel should run just clear of the cassette. If the bike still does not shift repeat the entire process. Bicycle troubleshooting duration.