| http://www.w3.org/ns/prov#value | - Read More ??mechanical disc with hydraulic caliper?just bought some avid elixir r sl brakes used, but they do not have the discs included. can I use my old discs from my mechanical brakes?Read More ??Wat's the different between hydraulic and mechanical disc brakes??on a mountain bikewhich one is better?? which one is more useful?? which one is more edurable against terrains such as sand, water, mud
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