Pit Viper - The Radical XSSo you want to know more? XS stands for extra small heads. That means, if you are older than 8 years old THESE WILL NOT FIT YOU. STATS UVA & UVB Protection: 100% Light Transmission: 17% Lens: 2. 2mm Polycarbonate Look Thru Color: Grey WHAT'S IN THE BOX 1 Limpcloth 1 Tie Downs Retainer Strap

less stuff-mounting space

Improved driving efficiency and stable shifting

Protect your eyes from bullets

Top Sprocket Max/Min: 14-11

Dimensions (Headlight): 100mm (L)*29mm (W)*32mm (H)

Suitable for tire widths 32-55 mm

Operation Chill: 0-60Celsius

35mm/45mm stem lengths

custom builds or failure to install correctly will void any warranty or guarantee and may not be compatible

non-conductive

Compatible with Sram 11-speed drivetrains

power loss due to delay in shifting and fatigue by shifting especially when you ride on the terrain with many ups and downs as well as a long distance is also reduced