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Expanding Microcell Sponge
HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker
Discreet flex zones in the rear triangle
Durable and elegant
SRAM Guide Ultimate / RSC / RS / R / T
CeramicSpeed OSPW Colour:Shimano 9100/8000 Expanding Microcell SpongeThis is an updated version of the Oversized Pulley Wheel System for Shimano 9100 9150 and 8000 SS 8050 SS . Mounting instructions for both this and the older version are to be found under our Support section. This new design has an integrated stop tower for easier mounting. The CeramicSpeed Oversized Pulley Wheels System has been proven to be the fastest pulley system in the world, providing energy savings starting from 2. 4 watts over standard
