Crewkerz Jealousy Ultimate NextGen 20"

The Jealousy Ultimate NextGen 20″, ridden by Robin Berchiatti—French Champion 2024, Junior World Champion 2022 and top-5 global—continues the lineage of the 26″ seven-time Elite World Champion Jack Carthy.

Chosen by the world’s best such as Charlie Rolls, Oliver Widmann, Nathan Charra, Oliver Weightman, Vincent Hermance and Vito Gonzalez, it stays true to Crewkerz’s spirit by blending performance, design, innovation and efficiency through a modern aggressive frame, aerospace-grade hydroformed tubes and refined integration.

Frame and fork:

• Jealousy Ultimate NextGen 20″ 6066T6 aluminium frame
• WAW Ultimate carbon 20″ fork with 180 mm steerer

Steering:

• WAW Ultimate 155 mm stem at 20°
• WAW Ultimate carbon 108 mm handlebar
• Foam grips

Drive:

• WAW 160 mm cranks to AS30 Standard spindle
• WAW Simple cage pedals
• Freewheel with 135 engagement points and 9 pawls
• 12-tooth splined sprocket
• KMC Z1 eHX Black chain
• Crewkerz carbon chain tensioner
• Crewkerz black bash guard

Brakes:

• Hope Tech 4 front disc brake
• Hope Tech 4 rear disc brake

Front wheel:

• WAW 20″ Hashtagg Edition wheel
• Monty Pro Race 20″ × 2.0 tyre

Rear wheel:

• WAW 19″ Hashtagg Edition wheel
• Monty Pro Race 19″ × 2.5 tyre

Weight:

• 7.7 kg