Zipp Cognition Disc Brake End Caps Front QR Set CheckoutSpec= For Bosch Gen 4 and Gen 5 Drive System CPSC Safety Standard for Bicycle

CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Maximum Head Circumference 58 Gender/Age Adult Minimum Head Circumference 54 Color Velvet Black Size Medium Visor Included No Multi Impact No Weight 250 Helmet Style Road Helmet Style Urban Defined Color Black

Lightweight (less than 40g heavier than standard crankset)

TK-1814 can be used on its own over base wax or klister

It also works very well with 9-speed road derailleurs

Zipp Cognition Disc Brake End Caps Front QR Set CheckoutSpec= For Bosch Gen 4 and Gen 5 Drive System CPSC Safety Standard for BicycleZipp Cognition Disc Brake QR Front End Cap Set. Zipp Front Hub Conversion Caps