Joined: Apr 2003
Posts: 1,469
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From: Perlas ng Silanganan
Bikes: Custom Knolly Chilcotin Limited Edition Orange, Dartmoor Wish, KHS 7500, Custom built Specialized Camber, S-Works Road, Cannondale Trail mtb, Polini MTB
why would you like to put on the rear?
Remember that the front is your primary brake... not your rear.
It depends on what brakes you have. Some sets have the same diameter, others have a sluightly wider dia front disc.