SRAM Rival 11 Speed Mechanical Rim Brake Groupset Crank Arm Length:172.5mm The best lenses for bright

The best lenses for bright conditions on the mountain use a dark lens coupled with a heavy mirror

Perfect for navigation or tracking routes

TempLock™ double wall vacuum insulation

It is free of hazardous and corrosive ingredients such as ammonia

SRAM Rival 11 Speed Mechanical Rim Brake Groupset Crank Arm Length:172.5mm The best lenses for brightSRAM Rival 22 Mechanical Rim Brake Groupset SRAM Rival 22: Rival Your Limits: The new SRAM Rival 22 groupset delivers immense performance across a broad variety of bikes and disciplines. Paved or not. Cyclocross or triathlon. Road racing or unchartered journeys. Rival 22 provides the ergonomics, efficiency and technology for finely tuned cyclists to meet each challenge and expand their limits. Dedicated cyclists' demands are different not less than