Abus GameChanger 2.0 Helmet S 51 - 55cm Pure Grey CheckoutSpec= 90mm Travel 27.5 / 29 Gives excellent adhesion and increases

Gives excellent adhesion and increases wear resistance for waxing

5" rate (lbs) 200

You will use the stock bolts to mount this chainring

but it is also soft and supple

Swapping simplicity: quick chainring change with five small bolts and no nuts

Abus GameChanger 2.0 Helmet S 51 - 55cm Pure Grey CheckoutSpec= 90mm Travel 27.5 / 29 Gives excellent adhesion and increasesPushing faster forward Through CFD simulations, wind tunnel and track tests comes the evolution of GameChanger. A true mastery of aerodynamics, without a gram of comfort or safety sacrificed. Multi position design for optimal aerodynamics regardless of the angle of the head Unique Aero Blade structure on top accelerates windflow and adapts to different speeds and inclinations of the head Rear AirFlow Star, w enlarged outlet area 32% boosted airflow