Questions about shifting between gears or the shifters themselves.

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2
votes
0answers
138 views

Change the angle of the arc of downtube / stem shifter lever to make it an alternative thumb shifter?

I want to mount the following SunRace clamp-on shifter set horizontally as a "thumb" shifter on a straight MTB handlebar (22.2mm). I will remove the left lever and only use the right with the clamp. ...
2
votes
0answers
192 views

My left STI shifter has 5 positions for a double crankset?

I'm in the process of installing my Shimano Tiagra left shifter for the front derailleur on my double crank and I'm a bit confused, the indicator shows it has 5 positions for a crank with only 2 ...
1
vote
0answers
53 views

Shift lever and boss (mount point) compatibility matrix

I've looked online, but haven't found one. Is there any sort of "matrix" available that puts shift lever boss type on one axis and shift lever on the other, and remarks on each pair's compatibility? ...
0
votes
0answers
56 views

Where to buy 2005 Shimano 105/Ultegra brifter hoods?

I have a 2005 Trek 1500 WSD road bike with original Shimano 105 STI brake/shifter levers. I'm looking for replacement hoods for the brifters because the originals are wearing out. I believe the ...
0
votes
0answers
163 views

Slipping shift cable barrel adjusters

Currently, I have Shimano Tiagra 4600 series brifters on my bike, and the barrel adjuster on the front derailleur cable slips when the shifter/derailleur is in the smallest chainring position, when ...