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Manufacturer: BlackCat wheels (go to products)

993g MTB XC | Duke Lucky Jack SLS5 + Extralite Hyperboost + Alpina

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 Ultra-light MTB XC carbon wheelset weighing only 993 g, designed to minimize rotating mass while maintaining stiffness and precise handling.

The wheelset is built using Duke Lucky Jack SLS5 rims with a 28 mm internal width, Extralite Boost hubs and ultra-light Alpina Hyperlite spokes. Each wheelset is carefully hand-built in the CarbonOne workshop.

  • total weight: 993 g
  • rims: Duke Lucky Jack SLS5 (245 g / 245 g)
  • hubs: Extralite Boost
  • spokes: Alpina Hyperlite
  • configuration: 28 / 28

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Price €1,998.03
pcs.
Availability:
Running out of stock
Shipping time: 14 days

Product description

Ultra-light MTB XC wheelset – 993 g

This wheelset project was designed to minimize rotating mass while maintaining the stiffness, durability and precision required for modern XC riding. The build combines ultra-light premium components with careful hand-built assembly in the CarbonOne workshop.

Technical specification

Rims
Duke Lucky Jack SLS5
Internal width
28 mm
Front rim
245 g
Rear rim
245 g – reinforced version
Hubs
Extralite Boost
Spokes
Alpina Hyperlite
Spoke count
28 / 28
Total weight
993 g
Spoke tension
up to 110 kgf
Tension control
calibrated tensiometer

Build details

The goal of this project was to achieve the lowest possible weight while maintaining the stiffness and durability required for modern XC riding. The wheelset is based on lightweight Duke Lucky Jack SLS5 rims, ultra-light Extralite hubs and Alpina Hyperlite spokes.

  • precise spoke tension up to 110 kgf
  • wheel truing accuracy within 0.5 mm
  • balanced spoke tension
  • precise spoke length preparation
  • hand-built assembly in the CarbonOne workshop

Ride characteristics

  • very fast acceleration response
  • low rotating mass
  • high lateral stiffness
  • precise handling

Looking for a similar build?

Every CarbonOne wheelset can be built around your riding style, rider weight and performance expectations.

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Wheelset built in 2026.

DISCLAIMER: The listed price does not constitute a commercial offer within the meaning of the Civil Code and may be subject to change due to the passage of time, fluctuations in exchange rates, or changes in market conditions.
Before placing an order, please contact me by phone or email to confirm component availability and current pricing.

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