AX - Lightness Ultra Road Disc 25 T


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  • Description
  • Specifications
AX - Lightness Ultra Disc 25T

King of Mountain with a set weight of a sensational 845 grams.
For 2017 our shallow tubular rim and best practice model, the Ultra 24T, has completely been reworked. The successor, the ax 25T, now is 25 mm deep and with its width of 22 mm boosts a weight of under 200 grams, so that a wheelset weight of 845 grams can be realized.
The ax 25T omits the integrated logos on the rim and improves its aerodynamical performance thanks to a revised rim shape.
The stepped and mechanically machined brake track further improves the braking performance even in difficult situations.
The Ultra 25T is a real climber and King of Mountain as it already has proven with numerous race wins, regardless if Alpine marathon or mountain time trial.

Despite of its sensationally low weight the Ultra 25T sports outstanding stiffness and stability values that grant it a rider weight limit of 100 kg and not only make it the weapon of choice uphill but just as well also when the road goes down again.


Specifications - Ultra Disc 25T
Weight (+/- 5 %) 845 g/set
Rims ax 25T 3K or UD, 195 g/piece
Rim material Full Carbon
Tire type Tubular
Brake type Disc brake
Rim depth 25 mm
Rim width 20.5 mm
Hubs Extralite CyberFront SPD-2 / CyberRear SPD-2
Freehub Shimano/Sram, Campagnolo
Axle standard front QR or 12mm thru-axle
Axle standard rear QR or 142x12 thru-axle
Spokes DT Swiss Aerolite, black
Nipples DT Swiss Pro Lock hidden, internal
Spoke tension front: 100 kgf, rear driveside: 140 kgf
Spoke count (f/h) 24 / 24
Field of use Road
Rider weight limit 100 kg
Finish 3K or UD
Decals white
Available technical data: