PROÃ¢â‚¬™s Gap Cap Carbon 1-1/8" is a lightweight carbon top cap with an alloy star nut and anodized alloy bolt. This top cap fits 1-1/8 inch alloy steerer tubes and should only be used on non-carbon steerer tubes. Using this cap and star nut on carbon can cause damage.
Articles will open in new tab.
Comparing bottom bracket types and standards.
You wanna go fast? Join the ceramic revolution!
Make your upgrades count. Here's the equipment that will help you ride your bike faster.
Campagnolo vs. Shimano vs. SRAM: demystifying groupsets.
What to consider when selecting a crankset for your road bike.