BONTRAGER KNOCK BLOCK HEADSET TOP CAP (W545878)
$27.99
Genuine replacement 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.
Product details
Do not use star nut on carbon steers
Top cap has a 35.5mm diameter
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.
Product details
Do not use star nut on carbon steers
Top cap has a 35.5mm diameter
