What makes it special
Skip to product information
Bontrager / Bike Seatposts & Accessories
Bontrager Trek Round Ultra-light Carbon Seatmast Cap & 10mm Ears
When only the best will do.
$228.99
Ship to store · free pickup, usually ready in 4–7 business days
Free pickup at any of our four stores. Questions? We're happy to help.
About this product
The details.
Genuine replacement parts
Originally developed for the incredibly light Émonda SLR 10, the SLR seat mast cap is the lightest available for Trek bikes equipped with round seat masts.
Product details
- Lighter than the standard round carbon seat mast cap
- Direct fit on all Trek road bikes with round seat masts
- One bolt head design offers easy fore-aft and infinite angle adjustment
- Includes 10mm oval saddle clamp ears, 7mm round ears sold separately
The details
Good to know-
Specs5
- Rail compatibility
- Universal
- Material
- Carbon
| Size | 135mm x 5mm | 135mm x 20mm | 175mm x 5mm | 175mm x 20mm |
|---|---|---|---|---|
| Length | 135mm | 135mm | 175mm | 175mm |
| Offset | 5mm | 20mm | 5mm | 20mm |
| Weight | 117.0g | 117.0g | 134.0g | 134.0g |
Good to know1
- 30-Day Unconditional Guarantee If for any reason you're not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.
Complete your setup
Goes well with.
Keep exploring
You may also like.
Four neighborhood stores. One shared passion.
Let's find your next adventure.
Ansley. Alpharetta. Roswell. Vinings. Stop by, take a test ride, ask questions, and meet the people who will be here long after your first ride.