Giant Rivet TT Western Helmet - Black Size:M Elastic wrist closure for comfortable

Elastic wrist closure for comfortable fit

it threads onto Presta and Schrader valves

69 Wh Battery Duration 1 h Rechargeable No Dimensions Length: 53mm Weight 11 gms Whats Included 1 set of batteries

but their real power is in the materials

Bitex BX212 Rear Hub

Giant Rivet TT Western Helmet - Black Size:M Elastic wrist closure for comfortableAERO ADVANTAGE. Front to back, every curve and shape is fine tuned through Computational Fluid Dynamics for optimal aerodynamics. Faster on average in various rider positions and yaw angles while deLivering unrivaled fit and comfort. FEATURES Optimized aerodynamics featuring a radius shaped curvature designed through Computational Fluid Dynamics analysis. The unique shape reduces drag across all angles From the crown of the helmet toward the rear, two