Abus YouDrop Helmet S 48 - 55cm Shiny Black Formula RO 9mm Hub Spacing F: 100

9mm Hub Spacing F: 100 R: 142 Valve Presta

front/rear front axle/spacing (mm) 15x110 Boost hole 32h color blue weight 166g

Better tolerance fit for pedal pin nuts in body to eliminate any risk of stripping when removing old pins

040 Spring Coil 170mm Firm Blue 2010+

Abus YouDrop Helmet S 48 - 55cm Shiny Black Formula RO 9mm Hub Spacing F: 100Whether off road or on the way to school, the YouDrop is a must have for all junior mountain bikers. A helmet with professional features and a casual, lightweight design. In Mould for a permanent bond between the outer shell and the shock absorbing helmet material (EPS) Excellent ventilation with 6 air inlets and 5 air outlets connected by flow channels Zoom Ace MTB: finely adjustable, height adjustable adjustment system for fitting to head size