Unanswered Questions
108 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 ...
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.
...
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
65
views
Warped MTB Tyres
I recently bought a used Canyon Spectral, which came with Maxxis minion and highroller 27.5 x 2.3 TR tyres. Both tyres appear to be warped. The rims are fine and I’ve tried installing with several ...
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
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
2
votes
0
answers
183
views
Bicycle chain roller diameter size chart?
I'm digging for a while now, and can not find any helpful chart for chain roller diameters e.g. Shimano 8,9,10,11,12 speed. It differs of course depending on the manufacturer and the purpose. We know ...
2
votes
0
answers
105
views
Identifying this road bike brand
Can someone help me identify this frame? It was given to me in Switzerland. My uncle and cousin bought it already painted grey. I noticed an engraved logo in the dropout, but it does not look like it ...
2
votes
0
answers
60
views
clicking chain on 3rd gear only
Shimano DI2 11 speed XTR on my gravel bike. The 3rd from smallest gear on the cassette makes a clicking sound. Any other gear its fine. Cassette and chain are fairly new. Have reindexed, checked ...
2
votes
0
answers
66
views
I need help with a airless inner tube/tire issue
So I just bought a brand new Abound from Aventon. The city I live in is horrible and even with double thick tired, Tannus armor inserts, and puncture-resistant inner tubes I've had 3 flats in 3 months ...