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1 answer
22 views

Compatibility of Shimano Deore SLM570 shifters

My front derailleur is broken. The front derailleur is of the shimano group Nexave, which apparently they don't produce anymore. I am trying to find out which type I should buy that is compatible with ...
Timo's user avatar
  • 1
0 votes
1 answer
46 views

DEORE vs XT derralieus and other components

I've been told that XT is better than DEORE. Is it only the weight is different or XT are better in other meaning ? And some follow-up, if XT is better. Does a bike with a used XT is better than a new ...
Michael D's user avatar
  • 840
0 votes
1 answer
29 views

Need Hanger Adapter for Acera Rear Derailleur for Hero Sprint rx2 bicycle frame

First I had the Tourney derailleur. Which is somehow destroyed, and I've lost it. I promptly bought an Acera online, expecting to upgrade. A lot has been spent. Here's the issue: I wasn't aware the ...
Amar's user avatar
  • 1
3 votes
0 answers
70 views

How to properly adjust front derailleur height when it can sway significantly once the clamp bolt is loosened up?

I'm trying to adjust derailleurs myself, for the first time .) the model is DEORE XT following the how-to https://www.wikihow.com/Adjust-a-Shimano-Front-Derailleur the very first step - adjusting its ...
darkdiatel's user avatar
0 votes
0 answers
47 views

SRAM 1:1 shifter + Shimano 11 speed MTB RD

I'm planning my next bike build with an 11-50 cassette but I don't want more than 10 gears for personal preferences. I've seen Chinese-brand drivetrains (LTWOO) that can do this but I want something a ...
Gregory Leo's user avatar
  • 1,305
0 votes
1 answer
75 views

Which rear derailleur can I put instead of Shimano Acera

My rear derailleur on Cube Aim Race 29" has broken on the holder. Except for this (and prior to the holder breakage) the derailleur has completely stopped working for some reason. It twists into ...
Vladimir Despotovic's user avatar
3 votes
2 answers
254 views

Slight play in rear derailleur

for the first time I am doing basic drivetrain maintenance and I noticed slight play in my rear Shimano XT 12SPD mech. It does not occur at the place where the derailleur is connected to the hanger ...
samokosik's user avatar
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 ...
justafred's user avatar
2 votes
2 answers
2k views

Upgrading my shimano road groupset, compatibility issues

I'm in the process of upgrading my road bike's groupset, since it's quite old now. I don't want to blow my budget so I wish to upgrade as little as I can with the most impact. I currently ride my road ...
korxz's user avatar
  • 59
2 votes
1 answer
71 views

Front derailleur clamp/hanger for Rivendell frame

I am building a bike with a Rivendell custom frameset. The seat tube size is 29.7mm. I am mounting a Dura-Ace FD-R9150 front derailleur that is braze-on. I'm looking for an adapter clamp but the ...
Michael Egger's user avatar
0 votes
1 answer
789 views

Derailleurs compatible with Shimano Claris ST 2400 Shifters

I have a 20-year-old Specialized Sequoia 24-speed road bike. When the groupset was last changed on it, the shop fitted a 3-cog chainset (50/39/30) and an 8-cog rear cassette (28/11), a Shimano Claris ...
Kevin Marman's user avatar
5 votes
2 answers
1k views

Can I swap an SGS cage on a Shimano RD-M8100 having a GS cage?¹

It's been difficult to locate a new XTR M9100 or XT M8100 with the SGS (long) cage from the few reputable U.S. dealers I buy from where Shimano will honor their warranty. The GS cage versions are ...
Jeff's user avatar
  • 11k
1 vote
1 answer
93 views

Multiple gears shifted while not pedaling

It happened again, but much worse this time. Someone shifted the front derailleur from 2 to 1 and the rear derailleur from 5 to 9 without pedaling when I was in school. Does this do any significant ...
Rohith Nambiar's user avatar
1 vote
1 answer
113 views

Why has my derailleur reposition itself so that its out of place?

I have a 2004 Trek Navigator I'm trying to fix up. Everything seemed fine until I switched gears and heard loud odd noise plus my pedaling got alot harder. Upon inspection I found my rear derailleur ...
Alison's user avatar
  • 1,277
2 votes
2 answers
475 views

New shifters for MTB to Gravel Bike (Deore M4120)

I have a MTB with DEORE RD-M4120 as the rear mech, and am currently running 10 speed, and am looking at converting this into a gravel bike. I want to put drop handlebars onto this new build, and was ...
Isaac's user avatar
  • 21
4 votes
1 answer
990 views

Trek Marlin 7 (2022), Gear Shifting

I have a issue with my Marlin 7 (2022). It has a Shimano Deore M5120 rear derailleur. When the bike is on the bike stand the bike shifts perfectly. When I'm riding the bike the bike shifts fine until ...
Samuel Taylor's user avatar
2 votes
3 answers
797 views

HELP with derailleur upgrade question

I just bought this Aventon Level ebike https://electricbikereport.com/aventon-level-review/ I was wanting to upgrade the derailleur, but I'm not sure which one to get. I don't want the entry level/...
TJ C's user avatar
  • 21
3 votes
1 answer
544 views

Correct gear cable for vintage Shimano 600 derailleur?

I'm restoring an old bicycle and need gear cables for this derailleur (see photo). I found some specs here https://velobase.com/ViewComponent.aspx?ID=9422ABE1-A7B3-4622-9DAB-EF4DEC646ED5 but it doesn'...
user63605's user avatar
  • 115
2 votes
1 answer
989 views

Shimano Tiagra 10 speed drive chain parts compatibility issues [closed]

I was working on a 10 speed bike yesterday. It needed a new drivechain, so having purchased a Shimano Tiara CS-HG500 11-32T cassette and a SRAM PC1051 10 Speed chain, I tried to set up accurate rear ...
iLovesMyBike's user avatar
1 vote
2 answers
193 views

Rear derailleur shifting backlash

I have a problem with my rear derailleur, which I cannot find a solution to. The shifter has some kind of backlash, when I shift up it all goes perfect, same as if I go down. But when I try to turn ...
Benjamin's user avatar
5 votes
2 answers
2k views

Is a shifter from Campagnolo compatible with a derailleur from Shimano?

The Campagnolo Veloce is a ten speed shifter and the Shimano is also ten speed derailleur, so can a shifter be compatible with another brand derailleur, specifically Campagnolo and Shimano?
Leonard's user avatar
  • 131
1 vote
1 answer
585 views

What to replace a rear Shimano RSX derailleur with?

I have a Shimano RSX 8 speed rear derailleur and on a 20year old bike. It starts to play up and I would like to replace it. Since the RSX-Series is not produced any more, I was wondering with which ...
Steffi's user avatar
  • 11
0 votes
1 answer
931 views

Upgrading broken Shimano Claris derailleur with Shimano Tiagra (Kona Rove AL 650 2021)

I purchased Kona Rova AL 650 last year. I am riding frequently and probably put a lot of wear on the bike. As a result I broke the Rear Derailleur Shimano Claris and Hanger (picture attached below). ...
user avatar
1 vote
1 answer
604 views

9 speed Shimano Deore derailleur compatibility

Will a 9 speed Shimano Deore derailleur be compatible with my 13-32 tooth freewheel?
River's user avatar
  • 91
0 votes
1 answer
538 views

Can I replace a broken Alivio M410 8speed rear derailleur with Acera T3000 9speed?

Damage to a bike resulted in a broken hanger and a damaged derailleur. I can't get hold of a like-for-like replacement derailleur (Alivio M410). Have seen others state that a 9speed derailleur will ...
Nick's user avatar
  • 3
2 votes
1 answer
2k views

Shimano RD-R7000 cable cut into thread?

That gap/cut in the hollow screw of the cable mount is not supposed to be there, right? If so, is this a typical defect? The hollow screw is pressed into the derailleur body and not replaceable, so ...
try-catch-finally's user avatar
8 votes
1 answer
696 views

Why did Shimano change their rear derailleur design going from a torsion spring to a tension spring inside the parallelogram?

The older Shimano rear derailleurs (pre 7700) use a torsion spring inside the parallelogram. But with the release of the 7700 group they switched to a tension spring which they continued using ever ...
user430's user avatar
  • 733
1 vote
2 answers
1k views

What's the difference of SHIMANO SORA and SHIMANO DURA-ACE?

I have a bike front derailleur and rear derailleur are Shimano Sora, I don’t know if it can be replaced with Shimano DURA-ACE
Gary's user avatar
  • 121
0 votes
1 answer
276 views

Should I Upgrade my MTB Rear Derailleur? (After Crash)

I mashed my 8 speed Shimano Acera rear derailleur in a crash over the weekend and need to get it replaced. Is it worth spending a little extra money and installing a slightly higher-end derailleur, ...
John's user avatar
  • 3
2 votes
1 answer
1k views

Will a shimano acera rear derailleur work with a shimano altus cassete?

Got sick of breaking rear axles. Im going to convert to a freehub. Currently i have a shimano acera 9 speed rear derailleur. I found a shimano altus cassete which has a huge 36 tooth sprocket which is ...
Stelios Liakopoulos's user avatar

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