All Questions
51
questions
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?
1
vote
0
answers
568
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 ...
- 11
5
votes
1
answer
801
views
Shimano Deore front derailleur return spring broken?
For a couple of days now, I am no longer possible to shift to the smallest chainring of my bicycle.
There is simply no response at all (no resistance, no click-sound, nothing happens. The indicator at ...
- 53
0
votes
2
answers
122
views
My chain tool left a divot on my replacement pin. Is this normal?
I recently did a deep clean of my shimano 8 speed road bike chain by removing it from the bike. I used a chain tool to push out one of the pins (not the black one). I then replaced it with a 8 speed ...
- 21
2
votes
1
answer
606
views
Can a broken ratchet in Shimano Tiagra 4600 rear shifter be replaced?
It looks like the ratchet mechanism broke in one of my shifters. As I try to shift the bit holding the end of the cable stays put and does not follow the lever. Even when it moves I can then pull by ...
- 377
12
votes
1
answer
5k
views
How do I rebuild Shimano XTR hydraulic brake levers?
My right brake lever (Shimano BL-M9020 to be specific) has attracted some dirt around the blade pivot area, and some parts look shiny. I suspect the master piston seals are starting to leak. Replacing ...
- 16.4k
4
votes
2
answers
701
views
Removing Nexus 8-speed IGH from hub shell
see update at the bottom
I'm trying to remove my Nexus SG-C6001-8D from its hub shell to grease it. Sadly Shimano's documentation doesn't cover the process of extracting the internals from the hub ...
- 563
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.
- 11
2
votes
1
answer
2k
views
Shimano Deore SL-M590 shifter lever stuck
I have the Shimano Deore SL-M590 9-speed shifter, bought new and used for about 3 years. On my ride today, the upshift lever got permanently stuck forcing me to complete my ride in the lowest gear. I ...
- 221
2
votes
2
answers
3k
views
Is losing power when pulling Shimano GRX lever a bleed problem?
Recently I had an accident on my bike, and my front brake 11-speed, front brake GRX 600 shifter isn’t braking well anymore.
The shifter took a bit of damage in the fall. Initially it didn’t shift, ...
- 123
5
votes
3
answers
3k
views
Broken 105 shifter in fall, cause and is repair possible?
Yesterday I went for a ride and unfortunately, as it was kind of wet, my wheel slipped while braking into one corner and I crashed. Speed of the crash was around 20 kmph (12 mph) (nothing crazy, most ...
- 161
1
vote
1
answer
181
views
Rear derailleur adjustment
I have a 7 speed Shimano derailleur. It shifts really good from 1 to 6 but when
I try to shift from 6 to 7 it just doesn't want to shift. Can someone help me?
- 11
1
vote
1
answer
234
views
Shimano M355 part broken
Was riding my bike over a jump when i lost control and bailed. This led to a tiny part on top of the brake lever to snap and come off. Cant find any details on the part and its not on any diagrams or ...
- 11
5
votes
1
answer
932
views
Hollowtech II BB alternative for stripped frame threads [duplicate]
I removed the BB (Shimano BB-93) from my Canondale Trail and found the drive side thread is stripped on BB and frame.
See and
What are the options for me to replace the BB?
Is there an alternative ...
- 179
0
votes
1
answer
1k
views
Direct mount vs. hanger derailleur
Currently repairing a bike that I got off the road for free years ago. Around three years ago, a stuck link caused a chain jam while pedaling at high speed, causing the metal around the b-knuckle on ...
1
vote
1
answer
152
views
Bottom bracket compatibility
After two LBS's, a blowtorch and a tyre shops impact driver I finally have my bottom bracket out. It an aluminium frame if that makes a difference.
On the drive side some of the thread is gone, ...
2
votes
2
answers
654
views
Repair parts from Shimano - What are these part for?
I got a new Cannondale bike with hydraulic disc brakes and Tiagra set from Shimano. With the bike came seom parts which I cannot identify. I think they have to do with the brakes, but can't find ...
- 131
1
vote
1
answer
644
views
How to get the fixed part of a bar-end shifter out of the handlebar when it is stuck?
I have a Shimano bar-end shifter where the fixed part is stuck in the handlebar. How can I get this part out in a way that I can reuse it in new handlebars?
Note: I know that I have to loosen the ...
- 433
3
votes
3
answers
928
views
How to measure and treat BSA bottom bracket housing misalignment?
I own an old Raleigh steel frame ('89) and wanted to install a cartridge bottom bracket (Shimano UN55).
I noticed it was difficult to fit it in the housing. When installed, the square taper shaft ...
- 733
4
votes
1
answer
240
views
I can't track down the source of chain skip - what might it be?
Last summer it come to light that my bike is suffering extremely bad chain slip, to the extent I feel it is unsafe. From what I can tell, it only happens in the 50t ring, and the 34 may be ok, but it'...
- 41
6
votes
2
answers
6k
views
Lost left crank arm crank end cap
What parts do I need to put this back together?
I've lost some pieces going for a ride but I'm not sure what exactly. I think I'm missing the end cap to the crank and maybe a spacer.
I was heading ...
- 1,427
1
vote
1
answer
184
views
Advice on correct spoke replacement
I need a replacement spoke for a Shimano WH-MT500 29er QR.
Shimano dealer manual does not mention the spoke length.
I've figued out its a 13G, double butted spoke but unsure about the length. I've ...
- 111
4
votes
2
answers
1k
views
Replacing Ultegra R8000 'long cage' derailleur (crash repair advice)
Today I did the unthinkable and crashed my pride and joy, a 2018 Specialized Roubaix comp. It's completely my fault I was commuting to work and in my pre caffeine state rode through what I thought was ...
- 323
2
votes
1
answer
564
views
Shimano SL-RS47 SIS handlebar shifter reassembly
How do I reassemble the Shimano SL-RS47-7 SIS left shifter on the handlebar after it became separated after an accident? The shifter became separated and I could only get it into first gear. It does ...
- 21
2
votes
3
answers
1k
views
Keeping a 2006 Giant SCR 3 on the road - 9 speed to 11 speed?
I have a Giant SCR 3 which was a freebie from a mate, who had it new. It's approx a 2006 I think, and I've had it about 5 years. I've spend a relatively small amount along the way at the LBS, ...
- 21
3
votes
1
answer
553
views
How can I get a snapped gear cable out of my Shimano brifter?
Shimano's brifters that route the cables under the bar tape make the gear cable turn through a tight corner to get into that routing. This seems to weaken the cables and, if they're not replaced in ...
- 17k
2
votes
3
answers
224
views
Can the Shimano front derailleur prevent a gear of my bike from working?
I recently bought a used rigid mountain bike, I'm very happy with it but I realized yesterday that I couldn't access the smallest chainring.
This one has a total of 3 front gears, but only numbers 2 ...
- 223
1
vote
2
answers
4k
views
Will any Shimano mountain bike shift cable set work with any Shimano mountain bike derailleurs and shifters?
(Forgive me if this question has been asked before - but I don't know if I'm searching with the correct keywords to find the answer...)
My rear derailleur cable is stuck hard into the side of its ...
- 113
7
votes
1
answer
2k
views
What did I just do? Fluid shot out of my handlebar when pushing my caliper in
I just bought a new road bike with hydraulic disc brakes, using a Shimano Ultegra R8020 Groupset. The pad was rubbing on the rear rotor and it wouldn't recenter when pumping the brake. The brake lever ...
- 276
2
votes
2
answers
837
views
Is it OK if my brake pads are not “just” touching the rotor in my cable disc brake bike?
Mountain bike, cable disc brakes.
My bike suddenly took a lot of effort to ride after maintenance. So I loosened the cable locking bolt and released more cable for my bike.
It’s running much better ...
- 21