Black Inc TWENTY


An ultra-lightweight, high-strength wheelset designed to excel when the road points skyward.



The Black Inc TWENTY is our ultralight climbing wheel, crafted from a blend of ultra-high strength carbon fiber to give you the stiffness required to conquer any mountain climb and the control to descend with confidence.

The TWENTY features a revised hub construction with low-friction CeramicSpeed bearings and an updated freehub body engagement system. Expect rapid acceleration and ultimate performance on the climbs.

The clincher version with all-steel spokes weighs in at just 1,240g and features an updated rim bed geometry for tubeless.


  • 1,240g Clincher Wheelset
  • Optimised for 25-28mm width tyres
  • Updated hubs with CeramicSpeed bearings

  • Rim is optimised for maximum strength-to-weight ratio
  • Same tubeless rim profile as other Black Inc All-Road rim models
  • Disc-brake-only wheelset, suitable for Road use only.
  • Rider + Bike Weight Limit 
    Tubulars: 90 kg
    Clinchers: 100 kg


Wheelset Weight (set)1240g
HubBlack Inc + CeramicSpeed straight-pull disc hubset
SpokesCX-SPRINT and CX- RAY Aero Butted straight pull (24 front and rear)
Clincher NipplesSapim 12mm Inverted Alloy Nipple with SecureLock
Rim Height20mm - 18.5mm
External Rim Width28mm
Internal Rim Width21mm
Recommended Tire Width25-28mm (700C)

Frequently Asked Questions

What's included with the wheelset?
  • (2) Tubeless Valve Stems
  • Valve Core Remover
  • Quick Release Skewers (rim only)
  • Extra Tubeless Rim Tape
  • Black Inc Sticker Tape
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