Tour 10/2017: Test disc wheelsets ax Ultra Disc 45C with test's top rating

The current issue of German Tour-Magazin (issue 10/2017) features a test of 22 carbon disc clincher wheelsets, that are facing off in the categories aerodynamics, crosswind stability (both tested in the wind tunnel), weight & acceleration, stiffness as well as impact resistance.

Our ax Ultra Disc 45C has demonstrated its outstanding class here by earning the test topping rating of 2.1:

"Very light yet with resilience. The rim remains without damage in the crash test. Build and mechanical values are very good."

Handmade in Germany! 

 

Aerodymamic drag:

  • ax Ultra Disc 45C 218 W, grade 1.3
  • Bontrager Aeolus 5 218.3W, grade 1.3
  • Lightweight Meilenstein C Disc 220.9W, grade 1.7
  • Mavic Cosmic Pro Carbon SL 218.5W, grade 1.3
  • Reynolds Aero 46DB 219.8W, grade 1.7
  • Zipp 303 Firecrest Disc 218.5W, grade 1.3

 Crosswind stability:

  • ax Ultra Disc 45C 7 Nm, grade 3.0
  • Bontrager Aeolus 5 5 Nm, grade 2.3
  • Lightweight Meilenstein C Disc 4 Nm, grade 2.0
  • Mavic Cosmic Pro Carbon SL 7 Nm, grade 3.0
  • Reynolds Aero 46 DB 1Nm, grade 1.0
  • Zipp 303 Firecrest Disc 7 Nm, Note 3,0

Weight & acceleration:

  • ax Ultra Disc 45C 1404g, grade 2.2
  • Bontrager Aeolus 5 1688g, grade 3.2
  • Lightweight Meilenstein C Disc 1362g, grade 2.1
  • Mavic Cosmic Pro Carbon SL 1672g, grade 3.1
  • Reynolds Aero 46 DB 1556g, grade 2.8
  • Zipp 303 Firecrest Disc 1645g, grade 2.9

Stiffness:

  • ax Ultra Disc 45C 47/41 N/mm, grade 2.8
  • Bontrager Aeolus 5 55/45 N/mm, grade 2.0
  • Lightweight Meilenstein C Disc 60/45 N/mm, grade 1.8
  • Mavic Cosmic Pro Carbon SL 57/46 N/mm, grade 2.0
  • Reynolds Aero 46 DB 48/49 N/mm, grade 2.3
  • Zipp 303 Firecrest Disc 33/33 N/mm, grade 4.2

Impact resistance:

  • ax Ultra Disc 45C, grade 1.0
  • Bontrager Aeolus 5, grade 3.0
  • Lightweight Meilenstein C Disc, grade 5.0
  • Mavic Cosmic Pro Carbon SL, grade 4.0
  • Reynolds Aero 46 DB, grade 4.0
  • Zipp 303 Firecrest Disc, grade 1.0

 Overall:

  • ax Ultra Disc 45C, grade 2.1
  • Bontrager Aeolus 5, grade 2.4
  • Lightweight Meilenstein C Disc, grade 2.5
  • Mavic Cosmic Pro Carbon SL, grade 2.7
  • Reynolds Aero 46 DB, grade 2.4
  • Zipp 303 Firecrest Disc, grade 2.5
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