Unanswered Questions
76 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 ...
CommunityBot
- 1
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 ...
CommunityBot
- 1
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'...
- 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
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 ...
- 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
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 ...
- 128k
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
302
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
407
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
0
answers
67
views
ghetto lowrider beach cruiser bicycle
I was given this bicycle, and it has a 20 inch back tire and a 29 inch front tire.
Does the difference in size effect how it rides when pedaling?
Would it be more efficient to have a bigger tire on ...
- 128k
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
38
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
569
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 ...
- 4,536
1
vote
0
answers
176
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
21
views
Is compatible classic tube and classic tire (27.5x2.1) with tubeless ready rim(27.5x2.1)?
Is compatible classic tube and classic tire (27.5x2.1) with tubeless ready rim(27.5x2.1)?
Thank you very much!
- 11
1
vote
0
answers
406
views
Rear wheel jerks and wobbles while riding
I bought a Hero howler 27.5T MTB- single speed two years ago. At that time I was 120kg (265lbs) and I hadn't faced any issue while riding cycle.
Then I stopped cycling for almost 2 years. I parked it ...
- 5,202
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
72
views
Bicycle tire size between 590-584
We have a old bike with a small tire problem 26 590 is too loose and 26 584 is too tight so is there something in between?
- 11
1
vote
0
answers
414
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 ...
- 75.8k
1
vote
0
answers
194
views
Restoring a 1954 Taylor tricycle
I am searching to replace the front tire.
It has a Swan tire, but the size is more important. Measures 12 x 1.75
Pliable enough to remount on rim
- 11
1
vote
0
answers
82
views
1
vote
0
answers
422
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
- 75.8k
1
vote
0
answers
2k
views
Fitting tires on Reynolds Strike SLG
I've been trying to fit Michelin Power Competition (AirComp inners) onto a set of Strike's. (I'm certain these are true, they were default fitted with other tires, and these had 0% wobble.) Let's just ...
- 187
1
vote
0
answers
136
views
Torn Michelin Pro4 Endurance tire
Used bike (no apparent wear on the tires), this happened after about 300km of riding of my own.
Front tire:
Rear tire:
Why do you think this happened? Is it safe to use the rear tire further?
- 802
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
0
answers
526
views
Semi-slick 29x2.4 (or larger) tires
I have a set of Velocity Dually 29” wheels. The interior rim width is 39mm. I currently have Surly Knard tires but get a lot of buzz when riding on pavement. Ideally, I'd like a set of tires that run ...
- 11.9k
1
vote
0
answers
4k
views
Bicycle tire date decode
I bought a new bike for my 3 year-old. 12.5 inch tires, "yida" seems to be the brand name.
My earlier research suggests that some bike tires have date codes, in the form of circles with an x in it, ...
- 128k
1
vote
1
answer
3k
views
Tire clearance on 2019 Trek Crockett
Has anyone tested max tire width on a Trek Crockett (2019 frameset)? Wondering specifically if I can fit 45mm tires on 19mm inner width rims.
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
1
vote
1
answer
119
views
New tires are wonky
I recently replaced my hybrid road tires w tires a bit more knobby. Not gravel tires, but not smooth. Anyway, ordering online I got the suggested tubes that are super skinny. While they fit, they don'...
- 20.1k
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
25
views
Confused about tire leakage, valve not attached
I’ve gotten a second hand mountain bicycle (felt brand), now the back tire is leaking air and is unusable.
First, I thought that the tube was burst and would need replacing. But now I am just confused ...
0
votes
0
answers
71
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
48
views
Unable to inflate tire
In the picture, the valve stem seems loose and I am able to pull it. The air pump hose does not stay attached to the valve stem when I try to inflate it. In fact, pumping air seems very easy so air is ...
- 6,437
0
votes
1
answer
80
views
Leaking valve hole
I tried different valves with no luck and used gorilla tape for inner wheel so I don’t think it’s the valves and I’ve taped it making sure.
I’ve covered all the holes. I am at my wits end with ...
CommunityBot
- 1
0
votes
0
answers
41
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
99
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