ALPINESTARS(MX) HELMET SM10 SOLID WHT M 8300123-2180-M derbi-senda-50-r-x-race-50-2008-esi6597266 CAPACITY_LITERS_ML_L: 1L

CAPACITY_LITERS_ML_L: 1L

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0 Rear_sprocket_type: 1793 Rear_sprocket_version: Ultra-light

Inner_diameter: Ø 48 mm Quantity: 1 Joint SPI / 1 Cache-Poussière

and lovers of spending many hours on the track can equip this model with a special aerodynamic hump that fits a half-liter HydroBag for water (easy to use thanks to a large refill plug and a removable tube)

ALPINESTARS(MX) HELMET SM10 SOLID WHT M 8300123-2180-M derbi-senda-50-r-x-race-50-2008-esi6597266 CAPACITY_LITERS_ML_L: 1LThe S M10 Shell Sizing Solution Ensures Each Helmet Fit Size has its Own Appropriate Shell Size to Deliver the Most Anatomical Solution for the wide variety of fit needs, Thus Ensuring Riders have the Correct Fit to Improve Comfort in an Impact., Surface Curvature Promotes Reduced Friction on Impact, Allowing Deflection and Transfer of Energy to Protect the Rider's Head from Direct Force to the Skull and Referred to the NECK AND SPINED AND STREAMN. y