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Single velcro strap above the knee
With gobs of beautifully modulated power and intuitive easy-to-use adjustability
1 x On / Off Valve Only
low-cadence shifting across the 11-48 tooth E-BLOCK cassette
SuperB Rear Deraileur Extender YGroup_7033972555821 Single velcro strap above theThe SuperB Rear Derailleur Extender extends the position of a road derailleur to run a wide range mountain bike style cassette. Who's this item for: Road and Gravel riders wanting to run mountain bike cassettes on their drop bar bikes. Dimensions: 32 x 36mm
