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The e*thirteen Helix R 12-speed cassette is an upgrade to any SRAM™ Eagle or Shimano™ drivetrain and offers more range than other cassette options
Features include a no compromise lockout where the "Pedal" and "Lock" circuits sit behind the damping meaning no sacrifice in downhill bump control while maintaining pedaling stability on climbs
Safe on delicate finishes
IMPORTANT: Before ordering make sure your specific trainer will accommodate the width of the thru-axle equipped bike that you are using
Steerer Tube Material Steel Steer Tube Diameter 1-1/8" Defined Color Blue Wheel Size 20" Offset (mm) 28 Color Midnight Blue Material Chromoly Steel Brake Type None Front Axle Type 3/8"
Cane Creek 40 EC34/28.6 Top Headset Black ModelNumber=26917 The e*thirteen Helix R 12-speedCane Creek 40 EC34 28. 6 Top Headset Black. Cane Creek 40 Series EC (External Cups) assemblies feature press in cups with bearings outside the frame. The 40 Series is the workhorse of Cane Creek's headset line up. Representing the balance of performance durability and value the series incorporates all the features necessary for a robust lightweight long lasting headset. TECH SPECS Bearing Type Cartridge Color Black S. H. I. S Upper EC34 Upper Stack
