1. Hugh Manatee

    Rear Derailleur. Will I be Shunned?

    Not entirely serious here, but is there any reason I shouldn't? I mean, a mountain bike mech on a road bike!! Burn him! I have a couple of other choices. A very nice Mavic job. Trouble is, it will be used in all weathers and that particular mech operates on a weird circlip spring loaded...
  2. 3

    new rear derailleur for old school 80s road bike.

    So 80s era road bike. I recently changed both 8 speed rear cassette (now 11-32) and added a smaller front chainring (now 38-52). My derailleur is Shimano 105 from that era, I have down tube friction shifters. The derailleur is a short cage (SS in Shimano terms) and I want to change to a medium...
  3. nickg

    Rear derailleur cage size

    On my rear derailleur I have a long cage. Should it be a short cage on a road bike? Just been comparing it to friends bikes.
  4. chriscross1966

    WTB: Campagnolo Victory long-cage rear derailleur

    Decent usable condition and no horrific scratches please. Not interested in a Triomphe S3 LX... I have one and it won't work in this instance and no, the T S3 LX isn't available, I need it for something rlse.
  5. B

    Chainrings, Cassette & derailleur MTB

    Hi folks, I posted a week or so ago and got some great help as I'm stripping down and refreshing my old Apollo mountain bike mainly to learn mechanical skills and have an off roader. My Giant Hybrid bike is ordered and shoukd be with me soon! I just have a few questions from today's work:-...
  6. BianchiVirgin

    SOLD Ultegra 6800 front derailleur

    I have a Ultegra 6800 front derailleur for sale. Band on 34.9mm clamp. 2 years old and works perfectly well. A few normal wear and tear marks but otherwise nice and clean. If anyone wants a picture I'll put one up. Any sensible offer + postage at cost will secure. No point it lying about my garage.
  7. pclay

    Di2 front derailleur adjustment

    Hi I have a Cannonade synapse 2016 with Ultegra Di2 gearing. Over the last year I have had problems with shifting on the front derailleur. The front derailleur is over shifting and causing the chain to come of on the outside of the chain ring. It started when going downhill and in 50/11...
  8. funk2monk

    Le Cyclo Rear Derailleur Shifter

    I've just acquired a Sun cycle with the above deraillier. I've tracked down a NOS tension spring, and the rest of the mechanism looks like it will clean up well. The cable is a continuous cable which is in tact but just thinking out loud where and how do you replace these? Picture for reference.
  9. L

    How to get maximum tension on front derailleur cable?

    The other day I noticed when I shifted into the last 2 biggest gears chain would rub against front derailleur. I tried to tension it but made it worse. What's the best way to do it achieve maximum tension. Step by step guide would be nice. Thanks
  10. roundisland

    11 Speed derailleur 9 speed Cassette

    Hi is it possible to use an 11 speed derailleur with a 9 speed cassette?
  11. Kell

    Brompton derailleur/tensioner options...

    Inspired by my other thread about winter, and this video that I posted on YouTube a couple of years ago, I wondered if anyone has any recommendations for alternative derailleurs that aren't fully enclosed with the chain guides so they're easier to clean. View: Be...
  12. CanucksTraveller

    Bent derailleur hanger

    My daughter took a little spill today, she's fine but the bike hit the tarmac hard and the derailleur took a hit. The hanger has bent in a little which is forcing the chain off and into the spokes in low gear. Is it overall cheaper / less faff to buy a new hanger or is there mileage in...
  13. R

    Choice of derailleur ?

    I'm building a Frankenstein bike out of salvaged spare parts , its going to be a 1x , 22" Coyote hardtail MTB frame,rigid forks, minimal gears, an mtb touring hybrid kind of thing built for comfort and load carrying with panniers. I've rummaged in my pile of bits and come up with these Shimano...
  14. B

    Poor shifting - replace rear derailleur?

    Shifting is poor and when in any gear it isn't smooth. I've tried to adjust tension etc but it makes little difference. There is some play where the mec attaches to the hanger but tightening the relevant bolt makes no difference. Does anyone know why this is the case? I have fallen on that side...
  15. ChrisPAmbulance

    Front Derailleur jumping from largest to smallest cog on triple chainset

    Hi All, I am riding a Ridgeback Voyage which has a triple chainset at the front. As part of a recent service at an LBS, they changed the cable which had become frayed. Unfortunately, as a result of this, they have introduced a fault whereby changing down from the largest ring, it jumps...
  16. DCBassman

    Rear Derailleur Question

    Going from 8 to 9 speed... Does a 9-speed mech travel any different distance to an 8? The cassettes are the same overall size, no? Just wondering if I need change to a specific 9er if all else is changed, ie cassette and shifters...
  17. Jenkins

    Acera RD-M370 Rear Derailleur - 9 Speed - SOLD

    Brought this from Evans about a year ago as ex-display, test fitted it but never used and couldn't be bothered to return for a refund. Cosmetic scratch as per the pictures - £10 delivered with payment by Paypal or bank transfer.
  18. G

    Rear derailleur installation issue

    Been trying to fit a new Shimano XT rear derailleur with 11-46 sunrace cassette but having issues with derailleur (tension?) When in 46T ring the top jockey wheel sits just on the cassette teeth but as soon as you move down the gears it's terrible and doesn't hold position at all. Nightmare! by...
  19. Johnno260

    Front derailleur

    On my way in this morning the chain hopped off the front crank, now I can’t get it to shift to the large crank. How do I adjust, sorry for the probably silly question but I leave gear adjustment to the pros usually. Edit: when I lean the bike over towards the side with the gears it’s will...
  20. K

    Front Derailleur Issues

    I have a Shimano 105 groupset and no matter how I adjust the front derailleur the chain still catches on the guard when in the smallest gear and on both big and small ring. If I manage to adjust it to stop the catching I lose the ability to choose the highest gear. It's almost as if there is...
  21. B

    105 derailleur

    I'm after a 10 Speed medium cage 105 derailleur but can only find them in black. I'm sure they used to come in silver and would prefer that to match the aesthetics of the other components I have. I don't suppose anyone knows where I can get hold of one? Have tried searching all the retailers...
  22. Ajay

    Rear Derailleur to run 34t cassette (10 speed)

    I currently have a sram red set up with 50/34 chain set and 11-28 cassette (10 speed). I want to run a bigger cassette - 34t (don’t judge, I have my reasons!). Any advice on which rear derailleur would be compatible? Most road/gravel derailleurs I’m seeing that take 34t are 11 speed. I’m not...
  23. Kell

    Front derailleur on a Bromptopn

    I was having a chat the other day with one of the guys on my train that has a Birdy Folder. I was moaning about climbing the hill out the station and saying I might fit a smaller chainring (which I've done), and he said can't you fit a front derailleur and two chainrings? I did a quick search...
  24. Mr. Cow

    105 rear derailleur missing screw..?

    Hello :smile: I had an off and on inspecting the bike I noticed there appears to be a screw missing from the rear derailleur? This is on the underside near the cage section.. can anyone tell me what this screw was for, and if it might stop me nursing the bike home? Upside down the bike...
  25. P

    Front Derailleur Issues

    Hello I've been upgrading Shimano Revoshift to Tourney Thumbshift (SL-TX50) on my son's bike (Python Rock). Rear derailleur was really easy and no problem (and much improved shifting!) but front one is causing me a headache … The main issue I have is that the shifter "maxes out" half way round...
  26. B

    Derailleur spring broke

    A new experience for me. I heard it snap. I wondered if something had broken. I was in the lowest gear, waiting at the lights. Off I went, tried to change gear, no change gear. I looked and saw that the hook at the end of the spring had snapped off. I can see the shiny metal where it...
  27. tom73

    Rear derailleur not shifting to smallest cog.

    Following on form last nights ride showed the gears needed a bit of indexing. On closer inspection and after the normal barrel and limit screw adjustment tricks to get shifting to the smallest cog the shifter has no more clicks left either. But still will not move to the smallest cog. Any...
  28. Gatters

    Shimano 7402 Derailleur

    Anyone got a spec sheet for this? What are the cassette teeth ranges for this mech, I've done a bit of Gooling but not found anything Thanks in advance
  29. eversorich

    SRAM Rival 1 rear derailleur - spare?

    Hi All, My bike came with an SRAM Rival 1 (long cage) rear derailleur. I'll be leaving to travel Asia in the next few months and I want to take a spare derailleur. I'm pretty good with Shimano but I'm now aware of the finicky side of SRAM so my question is this: Can I use another cheaper SRAM...
  30. Nibor

    Will a 3 speed shifter work with a 2 speed front derailleur / chainset

    I want to convert a 9 speed road bike to flat bars and have some 3 X 9 acera shifters. I wondered if they would work for a 2 speed front set up?
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