Fully Kustom Bicycle Headset Cap

Your message, your graphics, your custom design...anything goes with our Fully Kustom Cap. Just download our template and go nuts (but follow the instructions). We'll laser etch your artwork into the anodized cap of your choice and get it right out to you. Want matching Bar End Plugs? No problem! We also have many other customizable products to check out!

IMPORTANT: Any artwork that is submitted without using our template will be arranged using our best judgment or your order will be canceled and refunded. Please do not send full-color art. Black and white only. Here is the link to our FULL COLOR Fully Kustom Stem Caps.

For more details, click on "Specs & Measurements" below. Any other questions, check out our FAQs, send us an email, visit the blog or hit us up in the chat!


KustomCaps are designed to fit 1 1/8" headsets. They measure 1 1/4" (32mm) in diameter. This is the most common size on Road, MTB, Singlespeed, BMX bikes & more! We also offer laser-etched caps (black only) for larger 1 1/4” headsets.

LASER-ETCHED: Lasers away the top layer of anodization to reveal a beautiful, permanent grayish-white design.

FULL-COLOR: Created using a secret printing process reverse engineered from alien technology. The designs are vibrant, permant and weather (heat, cold, rain, snow, wind, UV) resistant.

Domed caps are made of 6061 aluminum and weigh 9 grams.

Flat caps are made of 6061 aluminum and weigh 5 grams.

KustomCaps Headset Bolts are made of 7075 aluminum are M6 x 30mm and weigh 3 grams.