Unanswered Questions
78 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
3
votes
0
answers
187
views
Help identifying this $25 ebike
I picked up this folding bike for $25 thinking I would google it and have all the info I needed to get it functioning.
Any help finding documentation would be great, what kind of battery can I plug ...
- 14.3k
3
votes
0
answers
8k
views
Shimano STX rear shifter, broken spring
I have to repair a Shimano STX shifter 7 speed (from a Raleigh MT200 bike from 1995). It has a broken spring, and I am almost sure that is the only thing to be repaired.
It is similar to that ...
CommunityBot
- 1
2
votes
1
answer
26
views
Replacing brake lever on Shimano Nexus integrated shifter/brake lever
I have a Shimano Nexus Revoshift shifter with brake lever, part number SB-C6000-8, to use with a Nexus 8 internally geared hub. The brake lever has been sheared off where it joins the body of the ...
- 135
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
72
views
Rear hub is sticky and clacking when backpadeling
I'm having trouble with my Nexus 8 Hub. It started to feel strange recently after a tour. I got help by someone in a free bicycle garage. We opened up the hub, gave it an oil bath and greased all the ...
- 21
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
124
views
Gear up lever will not move
I just got a new bike and unfortunately fell off it on the first ride, now the lever to change gear for my derailleur Mezzu Microshift is stuck in the position it would be if you had upped a gear ...
- 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
1k
views
Bosch eBike wiring diagram, where to find?
My RieseMüllerPackster80 refused to start today.
I guess there is a bad connection somewhere but as all I could do was plugging the battery and computer in and out, I am not wiser whether cabling has ...
- 315
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?)
2
votes
1
answer
4k
views
Identifying Rear Axle Size
I've got a bent QR rear axle and am looking for a replacement. Seems that these come in 9.5 and 10 mm sizes with a couple of different threadings. When I measure the OD of the threads I get around 9.8 ...
- 3,896
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
49
views
New tire tube and grinding noise?
I punctured my tire tube so i had to remove my back wheel out and replaced the tube, when reassembled, derailleurs started making grinding noises.
I checked where the sound was coming and it was ...
- 5,202
1
vote
0
answers
38
views
Need help with Columbia Lauderdale electric mountain bike
I was recently riding my bicycle, and hit a speed bump when it turned off under me.
I checked out the bike and in the front motorhub there was a silver wire coming out of the bolt part. It looks sort ...
- 128k
1
vote
1
answer
104
views
Play in headset
I serviced my headset few times on my new bike, each time without problems.
But when I was serviced it few days ago, I had play in the headset that I couldn't get rid of.
First I unscrewed top cap, ...
CommunityBot
- 1
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
1k
views
How to fix Shimano E7000 Error 010?
Can anyone guide me to clear the E010 error code on a Shimano E7000? I tried all the steps according to the manual but can't resolve them.
- 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
247
views
Rear wheel keeps ending up squint, axel on cassette side lateral movement?
I have an old(?) 2010 Carrera Vulcan MTB and the rear derailleur hanger broke a few months ago (my son accidentally bashed it with his bike). Even though the bike is old, it has not really seen much ...
- 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
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
345
views
Plastic Seat for Vintage Kids Tricycle
Anybody can tell me where to find this type of plastic seat?
It sits directly on the tube, and holds on with a bolt on the middle.
Thanks.
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
2k
views
Lowrider style bent forks techniques
Would a 24 inch bent fork fit on a 20 inch frame? Is there even a 24 inch fork? Would a 26 inch fit? Also if it doesn't fit in could I just add to the 20 inch - would you be able to extend it making ...
1
vote
1
answer
6k
views
How to reduce pedaling resistance
I brought my hybrid bike to Evans Cycles recently to get the rear gear mech replaced after I broke it.
When I got the bike back, it was significantly harder to pedal. I tried moving my gears lower ...
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
17
views
Shimano Dynamo DH-3N31-NH broken lead wire
The lead wire broke between the coil and the connector. The repair joint must fit into the axle groove. I have failed X2 to mend it. Can the lead be repaired at the coil?
- 5,202
0
votes
0
answers
66
views
Rear wheel resistance but moves freely when not biking?
Hi all I'm at a bit of loss trying to trouble shoot my Surly Long Haul Trucker.I recently bought it used about 3 months ago and then had a new chain and cassette installed.
Commuting back from work ...
- 128k
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