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Trail / All-Mountain

DUKE Crazy Jack Wheelset

DUKE Crazy Jack Wheelset

$2,400.00 USD
$2,400.00 USD
Sale Sold out
Shipping calculated at checkout.

TECHNICAL SPECS

Product type: Wheelset

Weight: 1340 g

Rim material: UD carbon paintless

Internal rim width: 33 mm front / 31 mm rear

Spoke count: 32

Spoke type: SAPIM CX-Ray

Front hub: DUKE BadBoy CL

Rear hub: DUKE BadBoy CL 12x148

Freehub body
Front hub axle
6-bolt disc option

Delivery time: 2 to 4 weeks

Custom builds (mixed rims, different spokes or hubs…) available on request via our contact page.

The Crazy Jack is built for riders who demand one wheelset to do it all—from epic climbs to aggressive descents.
Lightweight yet incredibly robust, it delivers the perfect balance of agility, comfort, and confidence across technical singletrack and all-mountain terrain.
With optimized vertical compliance and proven impact resistance, it’s the wheel of choice for versatile trail performance, ride after ride.

Explore the exclusive technologies behind DUKE RACING WHEELS.

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  • Lifetime Warranty

    Our carbon wheels come with a lifetime warranty against any manufacturing defects, starting from the date of purchase. The warranty is transferable upon resale.

  • Lifetime Crash Replacement

    Every DUKE carbon wheel is backed by our Lifetime Crash Replacement program—fully transferable if you resell. If your rim is damaged during riding, we’ll replace it with a brand new one for just $250 USD.

  • What Drives Us

    At DUKE RACING WHEELS, we’re dedicated to crafting wheels that are lightweight, high-performance, and built for lasting reliability. Some say they’re the best bicycle wheels in the world.

  • In-House Design, Full Control

    All our rims are designed in-house by our R&D team and manufactured in Asia using proprietary molds, ensuring full production control and uncompromising quality.