Giant Cadex 50 Ultra DB 28" rear wheel, 12x142 mm, Center Lock, Shimano HG
Featuring an all-new 50mm aero rim profile and next-generation R3-C aero hubs, the CADEX 50 Ultra Disc balances top aerodynamic performance with stability and control in all conditions. Innovative Super Aero blade carbon tips further increase efficiency and minimize weight, while ceramic bearings reduce energy loss by up to 30 percent. The 22.4mm rim width and hookless bead are optimized for large-volume tires, creating a seamless interface with increased sidewall support and the ability to reduce tire pressure for improved handling and road feel. UCI and ITU approved
Rim material: carbon
Rim type: Hookless Clincher
Tubeless system: CADEX (rim tape and valve set included)
Recommended tire size: 700 x 25 C - 700 x 32 C
Rim height: 50 mm
Outer rim width: 30 mm
Inner rim width: 22.4 mm
ETRTO: 622-22
Front hub: CADEX R3-C Aero Hub, Centerlock
Rear hub: CADEX R3-C40 Aero low friction, 40T ratchet, Centerlock
Bearing: CADEX Ceramic bearings
Rear axle: 142x12 solid axle
Tip: Super Aero Carbon 21H/24H
Nipples: Alloy
Weight: 754g
Material | carbon fiber |
Location | Rear |
Nut | Shimano HG |
Brake disc installation | Center Lock (CL) |
product ID | 325558 |

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