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
- Ultra-light carbon construction
- One bolt head design offers easy fore-aft and infinite angle adjustment
- Compatible with all Trek road bikes with round seat masts
- Aluminium clamp
- Includes 7mm round saddle clamp ears, 10mm ears sold separately
if (typeof dataLayer !== "undefined") {
dataLayer.push({
"ecommerce": {
"currency": "CAD",
"impressions": [
{
"id": "32843",
"name": "Bontrager Line Elite 34.9 Dropper Seatpost",
"price": "464.99",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 1
}
,
{
"id": "34840",
"name": "Bontrager Line Elite 31.6 Dropper Seatpost",
"price": "464.99",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 2
}
,
{
"id": "30477",
"name": "Trek Madone SL Color-Matched Carbon Internal Seat Mast Cap",
"price": "384.99",
"brand": "Trek",
"category": "Bike stems & seatposts",
"variant": "blue",
"list": "More Options",
"position": 3
}
,
{
"id": "24997",
"name": "Trek Madone SLR Color-Matched Carbon Internal Seat Mast Cap",
"price": "384.99",
"brand": "Trek",
"category": "Bike stems & seatposts",
"variant": "orange",
"list": "More Options",
"position": 4
}
,
{
"id": "30668",
"name": "Trek Domane SLR Color-Matched Carbon Internal Seat Mast Cap",
"price": "359.99",
"brand": "Trek",
"category": "Bike stems & seatposts",
"variant": "red",
"list": "More Options",
"position": 5
}
,
{
"id": "33924",
"name": "Trek Domane SL Color-Matched Carbon Internal Seat Mast Cap",
"price": "359.99",
"brand": "Trek",
"category": "Bike stems & seatposts",
"variant": "black_greydark",
"list": "More Options",
"position": 6
}
,
{
"id": "24159",
"name": "Bontrager Line Dropper Seatpost",
"price": "324.99",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 7
}
,
{
"id": "13662",
"name": "Madone 9 Aero Micro-adjust Seatpost",
"price": "304.99",
"brand": "Trek",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 8
}
,
{
"id": "36340",
"name": "e*thirteen Vario Infinite Dropper Seatpost",
"price": "284.99",
"brand": "EThirteen",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 9
}
,
{
"id": "29007",
"name": "Bontrager Speed Concept UCI-legal (Gen 1) Seatpost",
"price": "274.99",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "greydark",
"list": "More Options",
"position": 10
}
,
{
"id": "11879",
"name": "Bontrager Speed Concept 9-Series Carbon Seatpost",
"price": "274.99",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "greydark",
"list": "More Options",
"position": 11
}
,
{
"id": "11255",
"name": "Trek Color-Matched Carbon Seat Mast Cap & 7mm Round Ears",
"price": "204.99",
"brand": "Trek",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 12
}
,
{
"id": "24161",
"name": "Bontrager Pro Seatpost",
"price": "154.99",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 13
}
,
{
"id": "11849",
"name": "Bontrager Elite Seatpost",
"price": "84.99",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 14
}
,
{
"id": "10885",
"name": "Trek Pavement Suspension Seatposts",
"price": "41.99",
"brand": "Lee Chi",
"category": "Bike stems & seatposts",
"variant": "greylight",
"list": "More Options",
"position": 15
}
,
{
"id": "13373",
"name": "Bontrager Comp Seatpost",
"price": "34.99",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 16
}
,
{
"id": "12827",
"name": "Electra Replacement Aluminum Seatpost",
"price": "13.99",
"brand": "Electra",
"category": "Bike stems & seatposts",
"variant": "greylight",
"list": "More Options",
"position": 17
}
,
{
"id": "39361",
"name": "Electra Replacement Steel Seatpost",
"price": "6.5",
"brand": "Electra",
"category": "Bike stems & seatposts",
"variant": "greylight",
"list": "More Options",
"position": 18
}
]
}
});
}
If for any reason you're not satisfied with a Bontrager 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
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
