9 & 10 speed chains

Pros: The flexible wings and perineum cutout keep you comfortable all day

9mm diameter on the end to 29mm on the inner clamp

Liner Included: There is no liner in the Youth Defend shorts

while new low viscosity mineral oil keeps power consistent over a wider range of temperatures

Bell Full-10 MIPS Helmet - S - Fasthouse Stripe Black / White NoAusPost 9 & 10 speed chainsMeet the Full 10 MIPS, the latest in Bell Helmets' legendary lineup. Derived from their premium Full 10 Spherical, combining a composite shell with tiered features to deliver the most competitive mid priced full face helmet in the market. Crafted with a lightweight composite shell, the Full 10 MIPS offers exceptional protection without weighing you down coming in at 1000g + 50g (size Medium). Three shell sizes and EPS liners ensure a consistent fit