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Unanswered Questions

107 questions with no upvoted or accepted answers
9 votes
1 answer
950 views

Shimano Dura-Ace R9120 lever leaking

My bike's Dura-Ace R9120 rear-brake/front derailleur shifter (left shifter in UK) leaks brake fluid when I pull hard on the lever. It leaks from this specific place: I understand this lever is ...
6 votes
0 answers
483 views

Shimano road bike lever leaking mineral oil

I have a leak in my Shimano DA 9170 (right) shifter. When I do a bleed, everything seems to work for a ride or two and then I start to lose braking power and the underside of the brake hood is wet ...
6 votes
1 answer
193 views

The bike derailer will automatically drop to the lowest gear in the rear whenever my cadence slows

I have a REI Coop CTY 2.2 bicycle. Whenever I am biking and my cadence slows down, the bicycle derailer automatically (I am not shifting) to the lowest gear on the rear derailer. Any suggestions on ...
5 votes
0 answers
165 views

Can't find derailleur hanger for an old Nakamura

I tried local parts shops and tried the internet and still can't find the right hanger, And I no longer have the old broken one. I can't even find the bike on the internet, The only photo I found was ...
5 votes
1 answer
396 views

Why does my crank go in reverse and my chain drop when I am not on the bike?

I have a problem of my chain dropping. What happens is when we stop and I unclip from the pedals, the crank rotates in reverse and the chain drops. I am in the large chain ring when this happens. ...
4 votes
0 answers
280 views

Sram AXS derailleur does not shift

Have you encountered a problem where a rear AXS derailleur stops shifting? Any suggestions? I bought a mint 2023 GX AXS derailleur on Marketplace, it worked for the first short test ride on a road but ...
3 votes
0 answers
70 views

How to properly adjust front derailleur height when it can sway significantly once the clamp bolt is loosened up?

I'm trying to adjust derailleurs myself, for the first time .) the model is DEORE XT following the how-to https://www.wikihow.com/Adjust-a-Shimano-Front-Derailleur the very first step - adjusting its ...
3 votes
0 answers
57 views

How to connect quick link for 6/7/8 gears Shimano chain?

I recently ordered a new chain and I am having trouble connecting the quick link, which I also ordered (first time doing it). It seems the pin of the quick link won't stick out far enough to be able ...
3 votes
0 answers
148 views

Help identifying brand of road bike frame

Last year I bought this second-hand bike, but I was a total newbie and didn't realize that the branding was just stickers until I received it. It's still a good bike and I'm having fun with it, but I'...
3 votes
0 answers
115 views

What could the source of this ticking sound be?

I have an annoying ticking sound that I need some help with. I've read through a lot of suggestions online and two bike shops have failed to solve it. The bike is a brand new custom build (Trek Emonda ...
3 votes
0 answers
86 views

Just hoping someone out there recognizes this bike and can help identify it

Assuming this is a 90s era aluminum frame with only a head badge sticker to identify it, no name or model printed anywhere. RX100 RD, DeoreXT FD, Sugino triple crank and Exage500EX brakes. the fork is ...
3 votes
0 answers
141 views

New hub slipping when powering up?

I recently had my Giant Propel SLR serviced (including new chain, Cassette and a new Hub) as gears were beginning to slip. However after the service when I climb into top / hardest gear and put the ...
2 votes
0 answers
40 views

Surface scratch on carbon steerer

Following my previous post, I managed to find an identical new fork replacement from a reseller since the communication with the company was absolutely terrible... When I unpacked the fork though, I ...
2 votes
1 answer
159 views

pedals only move bike at highest gear

Recently my bike will only move if I’m in the highest gear. I can pedal at lower gears but it will not move my bike forward at any reasonable speed and when I get up to even a very low speed the ...
2 votes
0 answers
76 views

Identify this Bianchi - possibly 80s

Can someone please help me identify this Bianchi model? My uncle has had it in storage for since years – I believe it's from the 80's. Here are some photos, to help identify the model. Cheers, Alex

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