What size adapter to go 220mm rear disc???

KenX

E*POWAH Master
Jul 21, 2019
290
245
Briançon, France
Assuming it's the same as when I fitted 220mm to the front, ie +40mm post mount to post mount?
Decoy base 2019 FWIW
Thanks in advance :)
 

Gyre

Well-known member
Jan 25, 2021
625
413
Pasadena, CA
2020 Decoy specs say that it uses 200mm rotors front and rear. If you actually have a 200mm rotor out back and the caliper is threaded directly into the posts with no adapter, then a +40 would be too much.
 

KenX

E*POWAH Master
Jul 21, 2019
290
245
Briançon, France
There's already an adapter there with the 200, I'm thinking it's a 180-200 adapter so the calliper doesn't bolt direct to the rear triangle in order to protect it from wear n tear......
 

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