Checking pickup availability...
Loading store availability...
Paul Component Engineering

Checking pickup availability...
Loading store availability...
Klamper Stem/Headset Top Cap
Black
Loading store availability...
Paul Component Engineering
Paul Component Engineering Klamper Stem/Headset Top Caps are machined with USA-Milled 6061 aluminum in Chico California. Along with their main purpose of adjusting preloading of stems and thread-less headsets, Klamper has a striking appearance. Available in multiple colors the complete your desired bike aesthetics. Includes an A2 stainless-steel bolt.
© 2026 Sierra Bicycle Supply, 1380 Kleppe Lane Sparks, NV 89431 All rights reserved. Experience by Frengee
Your cart is currently empty.
Start ShoppingJoin our insider list. We’ll email your code and auto-apply it to your cart. *Discount taken at checkout. Cannot be combined with select price-restricted items. See cart for details. Bikes and sale items are excluded.
You have copied the placement for the Product Page.
Go back to the App Embeds section, and in the Paypal Advanced Settings, paste the copied value into the Product Page field and click the 'Save' button in the top right corner.
To pay using pre-tax HSA/FSA funds, select Truemed at checkout.
For HSA/FSA reimbursement, pay with any method and look for Truemed on the confirmation screen.
Truemed is for qualified customers. Learn more at truemed.com/disclosures.
Fast shipping. Good communication. Great discount. Easy payment. Excellent product.
Great replacement cap for my Purist water bottles.
I have really enjoyed using the Range Extender. I appreciate being able to just plug it in when my bike battery is getting low and feel confident I can go another 20 miles!
Satisfied with the watch, quick shipping, pleasant price.