The Bontrager Comp 31.8 stem is Blendr ready and provides a secure and confident connection to 31.8 handlebars for road, city, and mountain bikes.
Product details
- 6061-T6 cast body construction
- 4-bolt dual band clamp retains stiffness and reduces weight
- Opposing 2-bolt steerer tube clamp with M5 corrosion resistant steel bolts
- Blendr ready for seamless accessory integration
- Compatible with Blendr Comp & Legacy Elite bases and mounts, sold separately
- Suitable for use on a road, city, or mountain bike
- Safe for use on carbon steerer tubes and handlebars
if (typeof dataLayer !== "undefined") {
dataLayer.push({
"ecommerce": {
"currency": "USD",
"impressions": [
{
"id": "34937",
"name": "Bontrager RSL Blendr Stem",
"price": "288.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 1
}
,
{
"id": "23234",
"name": "Bontrager Pro Blendr Stem",
"price": "120.99",
"brand": "Bontrager",
"category": "Blendr integration",
"variant": "black",
"list": "More Options",
"position": 2
}
,
{
"id": "33106",
"name": "Bontrager Line Pro 35 0 Degree Blendr Stem",
"price": "120.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 3
}
,
{
"id": "36213",
"name": "Bontrager Kovee Pro 35 Blendr Stem",
"price": "120.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 4
}
,
{
"id": "31465",
"name": "Bontrager Elite Stem",
"price": "67.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 5
}
,
{
"id": "28828",
"name": "Bontrager Rhythm Comp Knock Block Stem-No Packaging",
"price": "49.99",
"brand": "Trek",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 6
}
,
{
"id": "24156",
"name": "Bontrager Line 35 0 Degree Stem",
"price": "41.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 7
}
,
{
"id": "35132",
"name": "Bontrager Elite 35 Stem",
"price": "41.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 8
}
,
{
"id": "14351",
"name": "Bontrager Adjustable Blendr 180mm Quill Stem",
"price": "31.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 9
}
,
{
"id": "24155",
"name": "Bontrager Line Pro 35 0 Degree Stem",
"price": "120.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 10
}
,
{
"id": "24637",
"name": "Bontrager RXL 7 Degree Factory Overstock Stem",
"price": "25.0",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "white",
"list": "More Options",
"position": 11
}
]
}
});
}
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
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
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
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
if (typeof dataLayer !== "undefined") {
dataLayer.push({
"ecommerce": {
"currency": "",
"impressions": [
{
"id": "21764",
"name": "Bontrager Circuit MIPS Cycling Helmet",
"price": "",
"brand": "Bontrager",
"category": "Bike helmets",
"list": "",
"position": 1
}
,
{
"id": "23999",
"name": "Bontrager Flare RT Rear Bike Light",
"price": "",
"brand": "Bontrager",
"category": "Bike lights",
"list": "",
"position": 2
}
,
{
"id": "23709",
"name": "Bontrager Ion 200 RT Front Bike Light",
"price": "",
"brand": "Bontrager",
"category": "Bike lights",
"list": "",
"position": 3
}
,
{
"id": "22466",
"name": "Bontrager Ion Pro RT Front Bike Light",
"price": "",
"brand": "Bontrager",
"category": "Bike lights",
"list": "",
"position": 4
}
,
{
"id": "14259",
"name": "Bontrager Ion 100 R/Flare R City Bike Light Set",
"price": "",
"brand": "Bontrager",
"category": "Bike lights",
"list": "",
"position": 5
}
,
{
"id": "13585",
"name": "Bontrager XR4 Team Issue TLR MTB Tire",
"price": "",
"brand": "Bontrager",
"category": "Bike tires",
"list": "",
"position": 6
}
,
{
"id": "21588",
"name": "Bontrager Commuter Comp Bike Saddle",
"price": "",
"brand": "Bontrager",
"category": "Bike saddles",
"list": "",
"position": 7
}
,
{
"id": "21829",
"name": "Bontrager RIDEtime Cycling Computer",
"price": "",
"brand": "Bontrager",
"category": "Bike computers & GPS",
"list": "",
"position": 8
}
,
{
"id": "23110",
"name": "Bontrager Gel Cork Handlebar Tape Set",
"price": "",
"brand": "Bontrager",
"category": "Bike handlebar grips & tape",
"list": "",
"position": 9
}
,
{
"id": "25484",
"name": "Bontrager Elite Water Bottle Cage",
"price": "",
"brand": "Bontrager",
"category": "Bike water bottles & cages",
"list": "",
"position": 10
}
,
{
"id": "22370",
"name": "Bontrager Comp MTB Pedal Set",
"price": "",
"brand": "Bontrager",
"category": "Bike pedals",
"list": "",
"position": 11
}
,
{
"id": "22373",
"name": "Bontrager Comp Multi-Tool",
"price": "",
"brand": "Bontrager",
"category": "Bike tools & maintenance",
"list": "",
"position": 12
}
,
{
"id": "25255",
"name": "Bontrager Standard Schrader Valve Bicycle Tube",
"price": "",
"brand": "Bontrager",
"category": "Bike tubes & tubeless bike tire accessories",
"list": "",
"position": 13
}
,
{
"id": "25254",
"name": "Bontrager Standard Presta Valve Bicycle Tube",
"price": "",
"brand": "Bontrager",
"category": "Bike tubes & tubeless bike tire accessories",
"list": "",
"position": 14
}
,
{
"id": "26592",
"name": "Trek T-Shirt",
"price": "",
"brand": "Trek",
"category": "T-Shirts",
"list": "",
"position": 15
}
,
{
"id": "22824",
"name": "Bontrager Evoke Mountain Bike Glove",
"price": "",
"brand": "Bontrager",
"category": "Full finger cycling gloves",
"list": "",
"position": 16
}
,
{
"id": "13675",
"name": "Bontrager Ballista Road Cycling Shoe",
"price": "",
"brand": "Bontrager",
"category": "Road bike shoes",
"list": "",
"position": 17
}
,
{
"id": "25335",
"name": "Bontrager Cambion Mountain Bike Shoe",
"price": "",
"brand": "Bontrager",
"category": "Mountain bike shoes",
"list": "",
"position": 18
}
,
{
"id": "21726",
"name": "Bontrager Espresso Road Cycling Shoe",
"price": "",
"brand": "Bontrager",
"category": "Road bike shoes",
"list": "",
"position": 19
}
,
{
"id": "21727",
"name": "Bontrager Cortado Women's Road Cycling Shoe",
"price": "",
"brand": "Bontrager",
"category": "Road bike shoes",
"list": "",
"position": 20
}
,
{
"id": "14798",
"name": "Bontrager Rapid Pack",
"price": "",
"brand": "Bontrager",
"category": "Bike bags & panniers",
"list": "",
"position": 21
}
]
}
});
}
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, materials, and pricing. Prices shown are manufacturer's suggested retail prices.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
var pr_merchant_user_id = "";
var pr_merchant_user_email = "";
var pr_api_key = "87b3f2f0-f542-43f9-bf33-10c41cffcb73";
var pr_locale = "en_US";
var pr_merchant_group_id = "10250";
var pr_merchant_id = "4404";
var pr_page_id = "24160";
if (pr_page_id === undefined || pr_page_id === null || pr_page_id.trim() === "") {
// default to sku if poerreviewid is null
pr_page_id = "24160";
}
var pr_write_review = "/us/en_US/equipment/cycling-components/bike-stems-accessories/bike-stems/bontrager-comp-31-8-7-degree-stem/p/24160/writeReview?";
var pr_product_name = "Bontrager Comp 318 7 Degree Stem";
var pr_product_url = "https://www.trekbikes.com/p/" + "24160" + "/";
var pr_product_image = "//trek.scene7.com/is/image/TrekBicycleProducts/BontragerComp3187DegreeStemNewGraphics_24160_A_Primary?wid=690&hei=690&fmt=png8-alpha&qlt=80,1&op_usm=0,0,0,0&iccEmbed=0&cache=on,on";
if (pr_product_image && !pr_product_image.startsWith("http")) {
pr_product_image = "https:" + pr_product_image;
}
var pr_product_description = pr_product_name;
var pr_product_category_name = "Bike stems accessories";
var pr_product_manufacturer_id = "24160";
var pr_product_upc = "601479868636";
var pr_product_brand_name = "Bontrager";
var pr_product_price = "";
var pr_product_in_stock = "";
window.pwr = window.pwr || function () {
(pwr.q = pwr.q || []).push(arguments);
};
