ThinkRider Trainer X2 Smart Sunglasses it also adds strength to

it also adds strength to the sidewalls of the tire by adding minimal weight to the tyre

The ergonomic fit is achieved thanks to high tech Airflex technology

lightweight frame and Prizm™ Lens Technology

CASSETTE:  13-32T 8-Speed

• Lightweight Polymer Compound shell in three sizes• MaxiFlow impact foam air channels effective even at low speed• 360° Turbine Technology• Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion• Reduces peak brain rotational acceleration by up to 40%• In-molded impact foam for great energy absorption• Maximized ventilation with 20 vents• Visor with breakaway function for rotational impact force reduction• Dri-Lex® moisture wicking

ThinkRider Trainer X2 Smart Sunglasses it also adds strength to