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DUKE Crazy Jack SLS2 6TERS Front Carbon Rim 29" - 28 Holes

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Description of DUKE Crazy Jack SLS2 6TERS Front Carbon Rim 29" - 28 Holes

The mountain rider’s preferred weapon of choice

The Duke Crazy Jack SLS2 6TERS front rim is a concentration of innovative technologies. It will let you, as you prefer, swallow up the bumps or hit the descents. A true All-Mountain/Enduro rim that is versatile, rigid, wide and comfortable.
A front wheel has to offer grip, a low weight and a precisely handling. To handle these requirements this rim features an optimized carbon fiber layup and 30mm internal width.


  • 100% made from Carbon
  • Tubeless Ready
  • asymmetric (Offset) Profile
  • wide inner rim
  • designed, developed and tested in Europe
  • hookless rim
  • Offset: 38mm

Technologies & Features

Hookless Rim

This type of rim is far stronger than the traditional clincher rim. Duke has used this technology with great success, on their rims since 2011

Burp-Free System

The bead of the tyre is held in position irrespective of the tyre pressure and the ground conditions, preventing any risk of the tyre coming off its rim even when giving it full gas in the corners.

Asymmetric Profile

By offsetting, DUKE was able to increase the potential lateral wheel strength and its stability without adding weight. Rim drillings are off-centre to improve bracing angles for a stronger, more rigid wheel.


The Duke 6TERS concept offers a wider front rim than the rear rim for more grip at the front and rear stiffness . Its weight is optimized for robustness. Low weight and high comfort are prefered at the front instead strength.

Wide inner rim

A wider profile rim increases the comfort, for the rider, compared to a similar width tyre mounted on a narrow "standard" rim because of the increased air volume in the tyre.

Tubeless Ready

The Tubeless compatible rims by Duke (UST, Tubeless Ready and Notubes), only require some Duke rim tape and a Tubeless-ready valve. They can also be used in a classic clincher set up (tyre & inner tube).

SLS (Super Light Series)

These rims are 10% lighter than classic version, while maintaining exactly the same strength and stiffness. They manufactured in a sealed atmosphere and requires no retouching at the exit of the mold. No sanding or varnishing, the finish is exceptional!

Maximum system weight: 110 kg!
Included in delivery: 1 rim
Material: Carbon
Weight supplement: manufacturer information
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Fact Sheet of DUKE Crazy Jack SLS2 6TERS Front Carbon Rim 29" - 28 Holes

Product Name: DUKE Crazy Jack SLS2 6TERS Front Carbon Rim 29" - 28 Holes
Manufacturer: DUKE Racing Wheels
Item Code: DKE469190
activity: Bike
material: Carbon
usage bikesport: MTB, All-Mountain
brake type: Disc Brake
wheel size: 28" (29") (622mm)
tire type: Wire Bead Tire, Folding Tire, Tubeless Ready, Tubeless UST
spoke hole number: 28
ERD - effective rim Ø: 600mm
tire pressure: 2.5bar
ETRTO: 30-622
eyelets: none
inner profile width: 30mm
rim profile height: 22mm
Model year: 2021
Color: Black
weight: 410g
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