VORTEX ALLOY REAR SPROCKET 520-47T - MARCHESINI / OZ / BST - HARDCOAT category-helmet The SONORA Silencer features a

The SONORA Silencer features a new designed shape [#9 profile] made of Titanium for the outer body with a Ti matt finish

6063 grade anodised alloy and non-slip rubber

Washable and usable

FSS0213 contains 6 heavy duty springs that are approximately 10 ~ 15% stronger and longer than the O

preventing any unwanted sweaty discomfort

VORTEX ALLOY REAR SPROCKET 520-47T - MARCHESINI / OZ / BST - HARDCOAT category-helmet The SONORA Silencer features aLightweight Aluminum Racing Sprocket 100% CNC manufactured in the USASpecially formulated alloy per Vortex specificationsUnique tooth design increases sprocket longevityVortex patented sprocket design is unlike any other sprocket