We'll take care of you. Period.

It's our mission to provide you with world-class hospitality every time you visit us online or in-store. We're always here to help you. It's the Trek way.

30 Day Unconditional Guarantee

Ride it and love it, or we'll take it back. If for any reason you're not 100% happy with your trekbikes.com purchase, you can send it back within 30 days for a refund or exchange - no questions asked.

We're where you are!

With 50 Trek retailers across Ireland, you'll never be too far from a store.

Find your local Trek retailer here.

Bontrager Comp 31.8 7-Degree Blendr Stem

Model 567624

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
An 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 road, city or mountain bikes
Safe for use on carbon steerer tubes and handlebars

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

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.

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 load 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.

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 and more inclusive, plus a whole lot more fun.

1of2

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

Size	7 deg. x 35mm	7 deg. x 60mm	7 deg. x 70mm	7 deg. x 80mm	7 deg. x 90mm	7 deg. x 100mm
Rise	7 deg.	7 deg.	7 deg.	7 deg.	7 deg.	7 deg.
Length	35mm	60mm	70 mm	80 mm	90 mm	100mm
Steerer outer diameter	28.6 mm (1-1/8")	28.6 mm (1-1/8")	28.6 mm (1-1/8")	28.6 mm (1-1/8")	28.6 mm (1-1/8")	28.6 mm (1-1/8")
Clamp	31.8 mm	31.8 mm	31.8 mm	31.8 mm	31.8 mm	31.8 mm
Type	Threadless	Threadless	Threadless	Threadless	Threadless	Threadless
Accessory compatibility	Not applicable	Blendr	Blendr	Blendr	Blendr	Blendr
Material	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium
Weight	104g	137g	154g	168g	183g	199g

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, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.

Weights are based off pre-production products at time of publication. Weights may vary in final production.