1．Carbon fiber material, super lightweight, durable and waterproof.
2．Suitable for mountain/Road bicycles stems and forks.
3．Mountain/Road bike stem headset top cap with screw, protect headset from being dirty by dust.
4．Black and fashion design will decorate your bicycle as well.
5．Easy and convenient for installation, directly fitment.
Condition: 100% Brand New
Material: Carbon Fiber
Color: glossy Black / Matt Black
Weight: 3g (top cap)
Reminder: screws are made of stainless steel and titanium alloy. Please pay attention to your choice
headset spacer 1set：5mm+10mm+15mm+20mm
top cap 1set ：top cap +Screw
Combined 1set：headset spacer 1set +stem top cap+Compression Plug+Screw