E-Thirteen Helix Crank Arms - 175mm - 24mm - 68-73mm - E-Thirteen Direct Mount - No Spider - No Chainring - Black YGroup_7035317289005 Suitable for all types of

Suitable for all types of two-wheeled hooliganism

Waist Closure System / Fly / Size Adjusters: Zippered fly with dual snap closure and external waistband adjustment

Clamping diameter/bore: This bar comes in both 31

Diameter: Available in either small (30mm) or large (32mm) diameters

and fit all Fidlock Twist bases

E-Thirteen Helix Crank Arms - 175mm - 24mm - 68-73mm - E-Thirteen Direct Mount - No Spider - No Chainring - Black YGroup_7035317289005 Suitable for all types ofThe Helix crank arms from E*Thirteen combine forged AL 6066 T6 aluminium alloy arms with a heat treated 24mm Cro Mo spindle to deliver a super cost effective, performance crank that is light and strong and suitable for most MTB pursuits. Features: Lighter weight for improved acceleration and climbing Strong enough to shuttle run bike parks Durable aluminium alloys for years of trust and confidence Can be combined with either Shimano or SRAM 11 and 12