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OK, building the Hemlock up at last and the planned 203mm rear rotor isn't going to work (the Avid adaptor wont let the Juicy 7 caliper fit - it fouls the frame)... a 160mm will fit, though I don't have a 160 rotor in good nick... However, I do have a 180mm rotor lying around, though no caliper bracket to mount it... sooo, before I order a new 160mm rotor, does anyone know if an avid caliper on a 180 adaptor will fit the rear end of a Hemlock?! If so, I'll order/get an adaptor rather than a new disc...
cheers, Chris
bumpty bump for the day shift 🙂
the Avid adaptor wont let the Juicy 7 caliper fit - it fouls the frame
have you tried the 203mm from another company? might work better?
Avid
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Atomlab
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Magura
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etc..
I would go for a 160mm, as on the back that will give you more than enough power and save some weight
I always found 180front / 160 on the back somewhat lacking on my 456.'I would go for a 160mm, as on the back that will give you more than enough power and save some weight '
The magura adaptor does indeed lift caliper 'up' rather than pushing it forward as in the Avid adaptor. Going to try Magura. Even the Atomlab and Hope adaptors push the caliper forwards.
i've got virtually new 203 rotor and a used, though plenty of life left 180 rotor to go in... so just gotta decide which caliper mount to go for from those two 🙂
really? what brakes? with my Avid's and Shimano's I have never not been able to lock the rear wheel up with a 160mm rotor, and I am a big bloke.
A 160mm out back should be fine. As richc says, I can't imagine any situation where you couldn't lock it. As far as I'm aware the only reason to go bigger, assuming you go fast enough, is for heat dissipation benefits.
180mm rotors will fit fine. I've run Maguras and Hopes on mine.
well it's going to have a 160 to begin with and i've ordered a magura adaptor to put the 203 on. I do ride pretty fast dh anyway, and tend to leave braking very late on decent surfaces - so I'd prefer something I don't need to pull the lever super hard to slow down. Regardless of thep point at which the rear wheel loses traction, i'd prefer less lever effort, especially on longer descents when it (and I) gets a maiden trip to the alps 🙂
cheers cy, your fella Paul replied to an email I sent you guys this morning 🙂