Derailleurs

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How To Fix Bike Not Shifting Gears

I am often asked how to fix a bike that won’t shift gears or will only shift to some gears. The problem will be the shifters, derailleurs, or cables. I walk through the steps to isolate and locate the issue and how to fix it. I cover both the front derailleur and rear derailleur. How …Read more »

Rear Derailleur Noises

The rear derailleur on my vintage Trek was making a constant clicking noise as I turned the cranks. I go through the process of finding and fixing the issue.

Straightening A Bent Derailleur Hanger

When shifting the rear derailleur up to the biggest cog, the cage was hitting the spokes. The cage seemed to be angled in compared to the cogs. I checked the derailleur hanger with my Park Tool DAG 2.2 Derailleur Alignment Gauge and found it was not straight. I used the tool to straighten the hanger. …Read more »

6/7 Speed Freewheel To 8/9/10 Speed Cassette Bike Conversion

I upgrade my vintage road bike from 12 speed (2×6) with downtube friction shifters, to 16 speed (2×8) with STI brifters. This process includes expanding the rear triangle (chain stays/seat stays) from 126mm to 130mm between the dropouts so the wider wheel will fit in the dropouts. You only want to do this on a …Read more »

Installing Trigger Shifters/V Brake Levers On Mountain Bike

The shifters/brake levers on a Specialized Hardrock were trashed, so I needed to replace them. I bought some brand new Shimano ST-EF51 integrated shifter/V brake levers. I show the process of installing them in this video. I also replace the cables and cable housings.