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3 votes
1 answer
1k views

What else do I need to change if I upgrade my Sora groupset?

I have a Specialized Allez 2019 or 2020 with Sora groupset, but the crankset is Praxis 50/32, and the brakes are Axis. I changed the rear derailleur to a RD 5700 and I'm looking forward to upgrading ...
Matthew's user avatar
  • 31
4 votes
3 answers
2k views

Options for a super-compact crankset for touring (replacing Shimano 105 crankset)

I plan to use my new Canyon Endurace AL (11-34, 52/36) for some touring and I'd like some slightly more pleasant gears as I'll be carrying some weight (I have a tailfin rack I'm using with it) up some ...
Tom H's user avatar
  • 465
2 votes
2 answers
2k views

Suntour derailleur compatibility with shimano shifter

I bought today a bike with a Suntour rear derailleur (XR 150 8 speed) for my daughter. It has old rotating shifters I with to replace with triggers. Will a shimano 8 speed (e.g. Altus/Acera) fit this ...
rvil76's user avatar
  • 734
2 votes
2 answers
9k views

Will 2 x 10 speed front derailleur work with 11 speed set up?

Would an existing 2x10 front mech work with a new 11 speed rear set up? Using all Shimano SLX with 11 speed shifter, rear mech and chain. Front chain rings are 2 x SLX 38/28.
Cass's user avatar
  • 21
8 votes
2 answers
2k views

Help me understand my 8-speed uniglide compatibility issue

I have a Dura Ace 8-speed uniglide rear hub/freewheel marked 'Integrated 8 SIS' and an 8 speed uniglide 14-21T cassette. Two issues - the first being that the smallest cog needs to be a special 32mm ...
Lamar Latrell's user avatar
2 votes
3 answers
31k views

105 Shimano 10 speed shifters - compatibility with 11 speed rear derailleur

I am building a bike and I am using 10 speed Shimano 105 shifters. On the back I am using a 11 speed 105 rear derailluer (because is the only one I have at the moment). The cassette I am using is a ...
Paolo Goatspeed's user avatar
2 votes
2 answers
5k views

Is a Shimano Dura-Ace 7800 rear derailleur compatible with a Dura-Ace 7900 11-27 cassette?

Is the Shimano Dura-Ace 7900 10 speed cassette with a ratio of 11-27 cassette compatible with a dura-ace 7800 rear derailleur? Some people say its fine but more important to me is what Shimano says ...
MartinCB's user avatar