PBR Twin Color Aluminium Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket 899 - 520 899 51 TC4 gilera-gsm-50-50-2003-esi5875410 SH39 is designed with rounded

SH39 is designed with rounded shapes and optimized volume

With large opening ventilation panels

TREAD PATTERN DESIGN

head: 117 mm

PBR Twin Color Aluminium Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket 899 - 520 899 51 TC4 gilera-gsm-50-50-2003-esi5875410 SH39 is designed with roundedPBR Twin Color Sprock Machined With Great Precision in A Light and Durable 7075 T6 Aluminum. a Profile Designed for the Teeth That Facilitates The Evacuation of the Mud and Minimizes Power Losses Due to Free Material and the Rear Sprock Anod Bores are Made on the Sprock at Strategic Locations to Lighten The Piece Without Reducing Resistance. This rear Sprock will brought you a gain in Weight, Power, Resistance and Longevity. An asset for the mx, sx or