FORTRESS V.2

FORTRESS V.2 PINNED JOINT Kup on-line

MATERIAL

Al-6061-T6

WEIGHT

485-670g

SIZES

26",24",20"

INNER WIDTH

25mm

Description

Popular, strong rim for dirt jumping, street, and BMX made of 6061 aluminum.

Fortress has a double-wall construction with a pinned joint and side wall for V-Brakes or U-Brakes.

The Fortress rim is designed to fit the tires with a 2.1"-2.5" width.

Specification

MATERIAL

Al-6061-T6

WEIGHT

670g(26"), 595g(24"), 485g(20")

COLOR

Black anod.; Red anod.

SIZES

26",24",20"

HOLES

32; 36

OUTER WIDTH

32.4mm

INNER WIDTH

25mm

HEIGHT

21mm

OSB

1.5mm

ERD

533mm(26"), 481mm(24"), 380mm(20")

JOINT

Pinned

Downloads

COMPLETE BIKES GEOMETRY 2026

FULL-SUSPENSION FRAMES GEOMETRY 2026

HARDTAIL FRAMES GEOMETRY 2026

RIMS SPECIFICATION

RECOMMENDED SPOKES LENGHTS

HOW TO CHOOSE THE PERFECT BIKE / FRAME SIZE

FAQ

Can I pre-order a bike/bike?

If you're interested in purchasing our products, we recommend contacting one of our distributors from this list: Dartmoor Distribution. If your country isn’t listed, feel free to email us at sales@dartmoor-bikes.com - we’re happy to help!

Can I run a fork with a different amount of travel?

Yes! Each frame has a recommended fork travel range, which you can find in the Geometry Chart under “Recommended Fork Travel.”

How to assemble Dartmoor bikes?

Our bikes are shipped 95% assembled in a single box. You'll just need to install the handlebar, seat post, and front wheel.

Do you offer bearing kits?

Yes! We provide bearing kits for all full-suspension frames in our lineup. These are available through your local dealer.

Can I run wider tires?

Each frame's maximum tire size is listed in the specification chart. Please refer to it for guidance.

Where can I find the torque specs?

A complete user manual, including all torque specs, is available for each frame. You can find it at the bottom of the product page in the Downloads section.

What size do I need?

Check our Size Guide If you're still unsure, the best way to find the perfect fit is to test the bike yourself!