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The most responsive Wheel-Tyre System. As a demanding climber, you require a sturdy, light, low inertia, stiff-but-not-harsh wheel-tyre system. The R-Sys SLR Wheel-Tyre System has been designed this way - to offer an unbeatable level of light weight and responsiveness. A no brainer.
Buy Mavic Ksyrium SLR Tubular WTS Road Rear Wheel from Chain Reaction Cycles, the worlds largest online bicycle store.