Trek Knock Block Headset Top Cap Knock Block Top Cap Black Chain Guards & Bash Guards Chainring: 32T

Chainring: 32T

Precision hardened cutting steel construction

Hanger Trek Ticket 2014 Rear 142x12 Black

Swap orientation of spacers to match different brand crank/chainrings

Trek Knock Block Headset Top Cap Knock Block Top Cap Black Chain Guards & Bash Guards Chainring: 32THeadset Part Trek Top Cap Knock Block Premium 2018 Black Genuine replacement parts Trek proprietary headset parts. A wider top cap to cover the keyed recesses of Knock Block compatible stems and spacers. The M4 hex preload bolt allows for checking torque of the full cockpit without changing bits on the torque wrench. Key Features Do not use star nut on carbon steers Top cap has a 35. 5mm diameter Specifications Color Black Size Knock Block Top Cap