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and cornering traction
Optical gear display
To convert a Zipp disc wheel to a track axle
BB Bearing Steel BB Shell Type BB92 BB Shell Width 92mm Crank Spindle Diameter 24mm Cup Diameter 41mm Interface Hollowtech II Primary Color Black
Zee RD-M640 Exo and cornering tractionShadow Plus RD Min cog: 11 Max cog: 28(DH) 36(Freeride) For single ring set up Total capacity: 25 Shimano Dyna Sys 10 speed transmission Attributes Cage SS Maximum Cog 28 36T Minimum Cog 11T Primary Color Black RD Capacity 25T RD Spring Type Shadow Plus RD Weight 268g Speed 10
US$ 174.00
US$ 20.00
