Run your favourite 31.8 mm 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 31.8 mm handlebar compatibility with your Knock Block system
- Also compatible with standard headsets and spacers
- The Knock Block system protects the 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": "ZAR",
"impressions": [
{
"id": "22259",
"name": "Bontrager XXX Blendr Stem",
"price": "4800.0",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 1
}
,
{
"id": "23234",
"name": "Bontrager Pro Blendr Stem",
"price": "1840.0",
"brand": "Bontrager",
"category": "Blendr integration",
"variant": "black",
"list": "More Options",
"position": 2
}
,
{
"id": "31465",
"name": "Bontrager Elite Stem",
"price": "950.0",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 3
}
,
{
"id": "23233",
"name": "Bontrager Elite Blendr Stem",
"price": "950.0",
"brand": "Bontrager",
"category": "Blendr integration",
"variant": "black",
"list": "More Options",
"position": 4
}
,
{
"id": "24160",
"name": "Bontrager Comp 31.8 7 Degree Stem",
"price": "550.0",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 5
}
,
{
"id": "14762",
"name": "Bontrager Kovee Pro 35 13-degree Blendr Stem",
"price": "1840.0",
"brand": "Bontrager",
"category": "Blendr integration",
"variant": "black",
"list": "More Options",
"position": 6
}
,
{
"id": "24156",
"name": "Bontrager Line 35 0 Degree Stem",
"price": "1000.0",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 7
}
,
{
"id": "24155",
"name": "Bontrager Line Pro 35 0-Degree Stem",
"price": "1500.0",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 8
}
,
{
"id": "35132",
"name": "Bontrager Elite 35 Stem",
"price": "1000.0",
"brand": "Bontrager",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 9
}
,
{
"id": "14101",
"name": "Bontrager Rhythm Comp Knock Block Stem",
"price": "940.0",
"brand": "Trek",
"category": "Bike stems & seatposts",
"variant": "black",
"list": "More Options",
"position": 10
}
]
}
});
}
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.
