Unanswered Questions
51 questions with no upvoted or accepted answers
9
votes
1
answer
941
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 ...
CommunityBot
- 1
6
votes
0
answers
472
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 ...
CommunityBot
- 1
3
votes
2
answers
49
views
The rear wheel from my new Road Bike vibrates strongly
I bought a new bike and was wondering why my rear wheel starts to vibrate at higher speeds. I also have high carbon rims (50mm) for the first time and thought it must be the rims. But I mounted the ...
- 22.1k
3
votes
0
answers
147
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'...
- 131
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 ...
- 6,437
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 ...
- 31
2
votes
0
answers
37
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 ...
- 153
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
- 21
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 ...
- 4,159
2
votes
0
answers
118
views
Pirelli tires (mixing 700X23c and 70025c)
A bike shop (whom I trust) replaced my tires with new 700X25c Pirelli P Zero Zello 4S front and rear, the rear tire did not clear the fork/frame for some reason, they switched the rear 700X25c with ...
- 21
2
votes
0
answers
300
views
Why is my bar tape wearing out quicker on one side?
My bar tape has been wearing out on the left where my palm meets the bar with I ride on the hoods, but not on the right. I've noticed the same thing on the gloves I usually wear.
Is this cause by how ...
- 41
2
votes
0
answers
1k
views
Grinding noise from headset
I have a 5 year old Merida Ride 100, which has done about 5000km. It mostly has been in dry conditions, but has seen some wet conditions once in a while. After the last ride, I noticed some grinding ...
- 59
2
votes
0
answers
216
views
What type of frame could this be?
Recently purchased this 1x11 rebuild. Decals have been removed and it has a fresh powder coat. The stripes are coloured electrical tape so don't go by that... I've heard it could be a Miyata or ...
2
votes
1
answer
98
views
Old bike: replaced rear axle but the tire goes off the axis when I get on it
I just broke and then replaced my rear axle on an old timey race bike I bought online.
Everything seems to go smoothly when the bike is up on a stand or on at my side, but once I get on it and try to ...
- 47
2
votes
1
answer
406
views
Is this a real Concorde or just a replica?
I'm confused with this, the lugs in this bike look identical with another Concorde but the tubing sticker clearly says "Reynolds". (Concorde only uses Colombus, right?)
1
vote
1
answer
38
views
Can a 37 total capacity setup do good with a 37 total capacity shortcage ss rear derailleur?
I've been asking this question for a few days now and I've been so curious about it
My setup is a 11-32t sprocket and a 50-34t crankset, the total of that is 37
The main question is in the title but ...
- 2,837
1
vote
0
answers
63
views
Searching for vintage piece
I'm trying to repair my vintage gazelle impala bike and I'm missing just one piece :( Does anyone know where I can find the piece seen in the photo? It's part of the brake cable anchor bolt.
Thank you!...
- 11
1
vote
0
answers
37
views
Compatibility Shimano rear derailleur RD-6300
I have this Shimano 600ax. Due to my stupidness I broke the body of the rear derailleur endings its life. There are other rear derailleurs (RD-6300) on ebay for example but these are very expensive ...
- 5,202
1
vote
0
answers
543
views
Shimano 105 r7000 front derailleur hard and clunky shifting, shifter harder to shift
A total newbie to DIY bike repair here, and my Shimano 105 r7000 FD is shifting really harshly after a wash. Washed it with dish soap plus water solution, however I did not give the FD any specific ...
- 4,526
1
vote
0
answers
174
views
Golfer’s elbow (Inner elbow pain) from drop bars?
I’ve been cycling for 3-4 years on a flat bars without any pain in My joints . recently I switched to drop bars, My arms are slightly bent when I ride so My bike fit is ok But I’m having an inner ...
- 31
1
vote
0
answers
66
views
I have a double walled bicycle wheel frame seam that has a gap underneath NOT on top? It does not go all the way round, only underneath. Is this fine?
I have a double walled bicycle wheel frame seam that has a gap underneath NOT on top? It does not go all the way round, only underneath. Is this fine?
The bicycle is a No Logo X-type racing alloy bike ...
1
vote
0
answers
80
views
Getting the correct road bike size, moving from MTB
Currently I have a Large Stumpjumper 2021 29er.
The size was advised by the shop I purchased it from. It was OK at first but I ended up having a bike fit to adjust a few things (slightly longer stem ...
- 5,202
1
vote
0
answers
413
views
Standard vs wide shimano shoes
Would my normal sized feet still fit snug on a wide shimano shoes? I’m looking to buy the RP3 but only the “wide” is available. I’m buying online so i can’t personally try it on. Appreciate all the ...
- 69
1
vote
0
answers
637
views
Need help identifying a vintage road bike, possible Benotto 3000
I have this bike that I bought at a local store, I'm from Costa Rica> The manager sold it to me as a Benotto, but I can not find anything that tells me that it is apart from the stickers. The headtube ...
- 75.7k
1
vote
0
answers
82
views
1
vote
0
answers
421
views
Help ID'ing early 90's Lemond
I was wondering if anyone could help me identify this bike, or point me to the resources I could use to get get a better idea about what it is.
--
Pictures @ Imgur
Cross-post on reddit
"This seems ...
- 11
1
vote
0
answers
162
views
Can anyone identify this second hand bike?
I am looking into getting a new (for me) road / TT bike and this came up but I think it isn't a Specialized Shiv...
many thanks
- 75.7k
1
vote
0
answers
96
views
1970-80's Roadmaster bike makes a clicking noise when turning right
A 70's/80's Roadmaster Pursuit bike makes a clicking noise when turning right. It doesn't make any noise when riding straight or turning left. It doesn't seem to matter how close the turn is. I have ...
- 29
1
vote
0
answers
186
views
Could somebody please identify this bicycle?
I have been looking into purchasing a second hand road bicycle for my daily commute. I went through many possibilities and would like to know if any of you have seen or can identify the attached. Do ...
CommunityBot
- 1
1
vote
1
answer
186
views
Why are my quill pedal cages "wobbling"?
The plates and connectors on my old quill pedals "move around" in relation to the pedal axle itself: In the photo below, I'm pushing the pedals to opposite sides to show how the pedal cage "distorts". ...
CommunityBot
- 1
0
votes
0
answers
23
views
Specialized Ruby 2012 replacement Front Crank/Chainring/Hub
I would like to convert SRAM Power Spline with 50/34 POWERGLIDE chainrings to a 50/30 T combo. It has 110mm so will not accept 30T.
What crank assembly/bottom bracket and chainrings should I use to ...
- 6,437
0
votes
0
answers
67
views
Carbon seatpost stuck due to damaged grub screw
I have an Orbea Orca 2024 with Di2 and the grub screw for adjusting seat height has potential thread damage and it won't come out. The bike mechanic explained that the reason the grub screw went so ...
0
votes
0
answers
45
views
Weird noise when pedalling
I noticed a weird noise when pedalling. I had my road bike with me when traveling (airplane), and I just came back from a trip. I only had to take the wheels off when packing it. Once I assembled the ...
- 121
0
votes
0
answers
96
views
Considering an Upgrade: Mounting the Magicshine RN3000 on the RAVEMEN FR160 – A Practical Solution?
The RN3000 features an aluminum housing, contrasting with the plastic composition of the FR160. Why consider this configuration? Presently, my RN3000 is affixed to the MJ-627, yet it encounters ...
- 1
0
votes
0
answers
40
views
Front wheel making a tick noise with each rotation ans the wheel does not run freely when spun by hand, stops soon after the click noise
I just bought a new Triban 500 from Decathlon. During the first ride I noticed a click sound with each rotation of the wheel (sounds like a car indicator being on). When I spin the wheel by hand it ...
- 1
0
votes
0
answers
96
views
What is my Bianchi Model?
I've been looking for awhile on this Bianchi model number. My parents had this bike since before 2004 but they can't remember when exactly. Unfortunately there's no Bianchi official store in my ...
- 1
0
votes
0
answers
253
views
Is this Decathlon Cobra bike (frame) unique?
So last summer I got a job in a workshop, during which I had the opportunity to build my own road bike from a Decathlon frame. The model is apparently a Cobra Special (as shown on the pictures). For ...
- 438
0
votes
0
answers
271
views
Please Identify this frame FAKE BMC?
hi! I bought this bike as a BMC ALR one ~2016 model year. later I've realised that it's not BMC. The frame does not have BMC features. and have some that BMC never had on its bikes like this:
Also, ...
- 5,202
0
votes
0
answers
170
views
Can I use 8s Claris R2000 Rear Derailleur on a 10 Speed Cogs (11-28t) and 10s drop-bar brifters/sti?
A 8s claris roadbike derailleur on 10s cogs and Sensah Phi 10s drop-bar shifter.
- 33.6k
0
votes
0
answers
178
views
My shimano ultegra quick release is not working because the ball bearing inside got lost, can someone help me to identify the size of it?
Can someone help me because my ultegra caliper quick release system is not working because the ball bearing inside got lost (see picture below)
- 5,202
0
votes
0
answers
106
views
Help identifying this old bike please
I've got an offer from a friend to get a bike of his that has been sitting in his attic for a few years now. He says the bike is roughly 25 years old, most probably bought in the Czech republic.
Any ...
0
votes
0
answers
226
views
Carbon fork crack?
I have aluminum bike with carbon fork, this is in the front of the carbon fork, it is in both sides of it?
It's a carbon crack or paint crack?
0
votes
0
answers
105
views
Help in Identifying bicycle frame maker
I've had this bicycle since 1996. I got it as payment from a client i used to have. I love the frame but i have never known which company manufactured it. I believe it's chromoly it is very well built ...
- 12.9k
0
votes
0
answers
57
views
Buying new wheels for Evo Sport E5 cyclocross to fit slimmer tires
I've read some similar posts on this topic but would like to check that I understood correctly. A replacement of my stock Tracer 700x33c tires on my Specialized Evo E5 Sport cyclocross is overdue and ...
- 101
0
votes
0
answers
225
views
Can you identify this Marin bike?
My black Marin bike was stolen this weekend and I need to identify the year, model, and estimated price for my insurance claim.
I have a picture of it below. I bought it around the year 1999 but don't ...
- 14.3k
0
votes
0
answers
353
views
How much stiffness points on Shimano shoe is before it is noticeable?
I'm debating over getting the older R171 or the newer but cheaper RP501.
R171 is listed as 10 stiffness index while the RP501 is 8, but it has boa dial and is the newer design and everything.
Can ...
0
votes
0
answers
123
views
Can someone help me identify the bike frame?
I have had this frame for a while now and I would like to restore it to its original look.
The person who sold it to me said that its a Sintezi, but that sounds wrong to me, all I know about it that ...
0
votes
1
answer
837
views
Did I purchase the correct brakes for my Huffy bike?
Did I purchase the correct bike brakes for my Huffy bicycle. I just put the back set on the back and no matter how hard I squeeze the brake it is not tight enough to stop bike.
If anyone know please ...
- 128k
-1
votes
1
answer
89
views
Chain jumps up and down when freewheeling and back cog moves back and forward on my new bike
The chain jumps up and down when freewheeling. The chain sometimes jumps off the front cog. The cause it seems comes from the back cog going backwards and forward continually when I am freewheeling.
CommunityBot
- 1
-1
votes
1
answer
2k
views
I can't push the Quick Release in - how do I fix it?
I have a Polygon bike at home and I have recently removed the rear wheel.
I had reinstalled the wheel but the Quick Release (QR) (?) but I can't seem to push it back no matter how much strength I use....
- 17.3k