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Medium - 55 - 59cm
Honeycomb Flex base
Correct use of your bicycle's gears will allow you to fine tune any training session without having to manually adjust resistance
Flat blade screwdriver
Closure or Slip-on: These are interesting contraptions
SunRace CS-MZ90 Wide Range 12 Speed Cassette - Shimano HG Splined - 11-50T - 12 Speed YGroup_7033480085549 Medium - 55 - 59cmWide range 12 speed cassette for Shimano style HG driver bodies! Who's this for: Riders who'd like to upgrade to a 12 speed system, or replace a worn 12 speed cassette, but don't want to have to change to an XD or Microspline driver. Number of gears: 12 gears Weight: Respectable 586g Materials construction: 1st 10th gears are hi tensile steel, 11th and 12th are A7075 aluminium. Gear ratio: 11 13 15 17 19 21 24 28 32 36 42 50 Freehub mount: This mounts
