Overview
Run your favorite 31.8mm clamping diameter handlebar on a bike with Knock Block with the Rhythm Comp 31.8. It adds Knock Block compatibility to a durable stem with multiple lengths to let you fine-tune the fit to your ride.
Product details
- Get 31.8mm handlebar compatibility with your Knock Block system
- Also compatible with standard headsets and spacers
- Knock Block system protects frame from impacts by fork and handlebars by eliminating over-rotation of bars
- Available in a wide range of sizes for today's mountain rider
- See Service Parts for other Knock Block parts
- Approved for carbon bars and steerer tubes
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": "35468",
"name": "Bontrager Blendr Adjustable Integrated Stem",
"price": "63.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 6
}
,
{
"id": "35132",
"name": "Bontrager Elite 35 Stem",
"price": "41.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 7
}
,
{
"id": "14351",
"name": "Bontrager Adjustable Blendr 180mm Quill Stem",
"price": "31.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 8
}
,
{
"id": "24160",
"name": "Bontrager Comp 31.8 7 Degree Stem",
"price": "30.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 9
}
,
{
"id": "11249",
"name": "Bontrager Satellite Adjustable Quill Stem",
"price": "20.99",
"brand": "Lee Chi",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 10
}
,
{
"id": "24156",
"name": "Bontrager Line 35 0 Degree Stem",
"price": "41.99",
"brand": "Bontrager",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 11
}
,
{
"id": "44221",
"name": "Cane Creek eeSilk Alloy Stem",
"price": "229.99",
"brand": "Cane Creek",
"category": "Bike stems & accessories",
"variant": "black",
"list": "More Options",
"position": 12
}
,
{
"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": 13
}
,
{
"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": 14
}
]
}
});
}
if (typeof dataLayer !== "undefined") {
dataLayer.push({
"ecommerce": {
"currency": "",
"impressions": [
{
"id": "21764",
"name": "Bontrager Circuit MIPS Cycling Helmet",
"price": "",
"brand": "",
"category": "Bike helmets",
"list": "",
"position": 1
}
,
{
"id": "23999",
"name": "Bontrager Flare RT Rear Bike Light",
"price": "",
"brand": "",
"category": "Bike lights",
"list": "",
"position": 2
}
,
{
"id": "23709",
"name": "Bontrager Ion 200 RT Front Bike Light",
"price": "",
"brand": "",
"category": "Bike lights",
"list": "",
"position": 3
}
,
{
"id": "22466",
"name": "Bontrager Ion Pro RT Front Bike Light",
"price": "",
"brand": "",
"category": "Bike lights",
"list": "",
"position": 4
}
,
{
"id": "14259",
"name": "Bontrager Ion 100 R/Flare R City Bike Light Set",
"price": "",
"brand": "",
"category": "Bike lights",
"list": "",
"position": 5
}
,
{
"id": "13585",
"name": "Bontrager XR4 Team Issue TLR MTB Tire",
"price": "",
"brand": "",
"category": "Bike tires",
"list": "",
"position": 6
}
,
{
"id": "21588",
"name": "Bontrager Commuter Comp Bike Saddle",
"price": "",
"brand": "",
"category": "Bike saddles",
"list": "",
"position": 7
}
,
{
"id": "21829",
"name": "Bontrager RIDEtime Cycling Computer",
"price": "",
"brand": "",
"category": "Bike computers & GPS",
"list": "",
"position": 8
}
,
{
"id": "23110",
"name": "Bontrager Gel Cork Handlebar Tape Set",
"price": "",
"brand": "",
"category": "Bike handlebar grips & tape",
"list": "",
"position": 9
}
,
{
"id": "25484",
"name": "Bontrager Elite Water Bottle Cage",
"price": "",
"brand": "",
"category": "Bike water bottles & cages",
"list": "",
"position": 10
}
,
{
"id": "22370",
"name": "Bontrager Comp MTB Pedal Set",
"price": "",
"brand": "",
"category": "Bike pedals",
"list": "",
"position": 11
}
,
{
"id": "22373",
"name": "Bontrager Comp Multi-Tool",
"price": "",
"brand": "",
"category": "Bike tools & maintenance",
"list": "",
"position": 12
}
,
{
"id": "25255",
"name": "Bontrager Standard Schrader Valve Bicycle Tube",
"price": "",
"brand": "",
"category": "Bike tubes & tubeless bike tire accessories",
"list": "",
"position": 13
}
,
{
"id": "25254",
"name": "Bontrager Standard Presta Valve Bicycle Tube",
"price": "",
"brand": "",
"category": "Bike tubes & tubeless bike tire accessories",
"list": "",
"position": 14
}
,
{
"id": "22824",
"name": "Bontrager Evoke Mountain Bike Glove",
"price": "",
"brand": "",
"category": "Full finger cycling gloves",
"list": "",
"position": 15
}
,
{
"id": "13675",
"name": "Bontrager Ballista Road Cycling Shoe",
"price": "",
"brand": "",
"category": "Road bike shoes",
"list": "",
"position": 16
}
,
{
"id": "25335",
"name": "Bontrager Cambion Mountain Bike Shoe",
"price": "",
"brand": "",
"category": "Mountain bike shoes",
"list": "",
"position": 17
}
,
{
"id": "21726",
"name": "Bontrager Espresso Road Cycling Shoe",
"price": "",
"brand": "",
"category": "Road bike shoes",
"list": "",
"position": 18
}
,
{
"id": "21727",
"name": "Bontrager Cortado Women's Road Cycling Shoe",
"price": "",
"brand": "",
"category": "Road bike shoes",
"list": "",
"position": 19
}
,
{
"id": "14798",
"name": "Bontrager Rapid Pack",
"price": "",
"brand": "",
"category": "Bike bags & panniers",
"list": "",
"position": 20
}
]
}
});
}
