false
/equipment/cycling-components/bike-seatposts-accessories/bike-seatposts/trek-color-matched-carbon-seatmast-cap-7mm-round-ears/p/11255/
  • home
  • Bike seatposts
  • Trek Color-Matched Carbon Seatmast Cap & 7mm Round Ears
  • Trek Color-Matched Carbon Seatmast Cap & 7mm Round Ears
Overview

Trek-compatible seat mast cap

Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately.

Product details

  1. Ultra-light carbon construction
  2. Direct fit on all Trek road bikes with round seat masts
  3. Color matched for direct compatibility
  4. One bolt head design offers easy fore-aft and infinite angle adjustment
  5. Includes 7mm round saddle clamp ears, 10mm ears sold separately
No image available

"A huge increase in frame stiffness and drop in weight"

"Lower weight and increase stiffness without the inherent drawbacks of fully integrated seatposts"

Read more
No image available

"Unlike some other systems, it doesn’t require cutting to length"

"As well as saving weight, it can flex more than in a traditional system"

Read more
No image available

"Lighter, stiffer and more integration"

"A new level of component integration for Trek"

Read more
No image available

"A key element would have to be Trek’s version of the integrated seat mast"

"Trek took the extra step of making long and short seat mast tops available for personalized sizing"

Read more

More options

Bontrager Line Elite 34.9 Dropper Seatpost

Bontrager Line Elite 34.9 Dropper Seatpost

$345.99 

Bontrager Line Elite 31.6 Dropper Seatpost

Bontrager Line Elite 31.6 Dropper Seatpost

$345.99 

Bontrager Line Dropper Seatpost

Bontrager Line Dropper Seatpost

$240.99 

NEW
Bontrager RSL 27.2 Seatpost

Bontrager RSL 27.2 Seatpost

$209.99 

NEW
Bontrager RSL 31.6 Seatpost

Bontrager RSL 31.6 Seatpost

$209.99 

Bontrager Pro Seatpost

Bontrager Pro Seatpost

$114.99 

Bontrager Elite Seatpost

Bontrager Elite Seatpost

$62.99 

Bontrager Comp Seatpost

Bontrager Comp Seatpost

$25.99 

Trek Pavement Suspension Seatpost

Trek Pavement Suspension Seatpost

$31.99 

Trek Color-Matched Matte Carbon SeatMastCap & 7mm Round Ears

Trek Color-Matched Matte Carbon SeatMastCap & 7mm Round Ears

$159.99 

NEW
Wolf Tooth Resolve 31.6 Dropper Seatpost

Wolf Tooth Resolve 31.6 Dropper Seatpost

$365.00 - $380.00 

Cane Creek eeSilk+ Carbon Suspension Seatpost

Cane Creek eeSilk+ Carbon Suspension Seatpost

$319.99 

Cane Creek eeSilk Carbon Suspension Seatpost

Cane Creek eeSilk Carbon Suspension Seatpost

$319.99 

Trek Madone SLR Color-Matched Carbon Internal Seatmast Cap

Trek Madone SLR Color-Matched Carbon Internal Seatmast Cap

$289.99 - $314.99 

Trek Madone SL Color-Matched Carbon Internal Seatmast Cap

Trek Madone SL Color-Matched Carbon Internal Seatmast Cap

$274.99 

Trek Domane SLR Color-Matched Carbon Internal Seatmast Cap

Trek Domane SLR Color-Matched Carbon Internal Seatmast Cap

$274.99 

Trek Madone Micro-adjust Aero Carbon Seatpost

Trek Madone Micro-adjust Aero Carbon Seatpost

$234.99 

Cane Creek eeSilk+ Aluminum Suspension Seatpost

Cane Creek eeSilk+ Aluminum Suspension Seatpost

$219.99 

Trek 2022 Speed Concept SLR Fixed Head Seatpost

Trek 2022 Speed Concept SLR Fixed Head Seatpost

$219.99 

Cane Creek eeSilk Aluminum Suspension Seatpost

Cane Creek eeSilk Aluminum Suspension Seatpost

$219.99 

Bontrager Speed Concept Carbon Seatpost

Bontrager Speed Concept Carbon Seatpost

$209.99 

Bontrager Speed Concept UCI-legal (Gen 1) Seatpost

Bontrager Speed Concept UCI-legal (Gen 1) Seatpost

$209.99 

Trek 2022 Speed Concept Seatpost w/Flippable Head

Trek 2022 Speed Concept Seatpost w/Flippable Head

$209.99 

Born in a barn

Get an inside look at how the company got its' name, why it decided to start it's life in a barn, and more!

Read more

Go By Bike

Planet Earth is our home and our responsibility —we must do our part to preserve it. Learn how you can join the #GoByBike movement and help make a difference in the future of our planet and all who call it home.

Read more

How to content

Wondering how to properly fit that new helmet you just got? Need some tips on how to ride with your kids? How about ways to be more visible to cars? We've got that and a whole bunch more!

Learn more

Culture

Trek culture is who we are, what matters to us, and what we do as a brand. Take a look behind the scenes at Trek’s global headquarters.

Read more

Responsibility

There's a lot more to Trek than making the world's best bikes and cycling gear. Learn more about everything Trek is doing to make the cycling space safer, more inclusive, plus a whole lot more fun.

Read more

You might also like

SALE
Bontrager Circuit Mips Cycling Helmet

Bontrager Circuit Mips Cycling Helmet

$79.99 - $89.99  | $159.99 

SALE
Bontrager Specter WaveCel Cycling Helmet

Bontrager Specter WaveCel Cycling Helmet

$79.99 - $159.99  | $159.99 

Bontrager Rotary Head Seatpost Saddle Clamp Ears

Bontrager Rotary Head Seatpost Saddle Clamp Ears

$16.99 

Bontrager Aeolus Elite Bike Saddle

Bontrager Aeolus Elite Bike Saddle

$159.99 

Bontrager Arvada Elite Bike Saddle

Bontrager Arvada Elite Bike Saddle

$159.99 

Bontrager Flare RT Rear Bike Light

Bontrager Flare RT Rear Bike Light

$64.99 

Features
30-Day Unconditional Guarantee

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.

Learn more

Specs
Sizing Service Reviews
  • Shop

    • Road bikes
    • Mountain bikes
    • Hybrid bikes
    • Electric bikes
    • Electra bikes
    • Men's bikes
    • Women's bikes
    • Equipment
    • Apparel
    • Sale
    • Customize
    • How to buy online
    • Trek bike finder
    • Find a bike shop
    • Bike tours
  • Inside Trek

    • Heritage
    • Technology
    • Racing
    • Social responsibility
    • Stories
    • Work at Trek
    • Podcast
  • Support

    • Customer service
    • Contact us
    • Newsletter signup
    • Returns
    • Shipping & delivery
    • Home delivery
    • Warranty
    • How to shop safely
    • Manuals & user guides
    • Product support
    • Bike basics & safety
    • Bike sizing & fit guides
    • Bike registration
    • Bike archive
    • Suspension calculator
  • Legal

    • Privacy policy & terms of use
    • Accessibility
    • Cookie policy
    • California Transparency Act
    • Recalls
  • United States / English

  • © Trek Bicycle Corporation 2023