ALT. AIR35 Rim (Dt Swiss 350)


When stiffness and weight matter most, the AIR35R are our go to rim brake climber rims, paired with the ultra reliable and robust Dt Swiss 350 hubs. Built to order, current lead time 4-5 weeks. 

  • 700c, 35mm Rim Depth, 26mm Rim Width (19mm internal)
  • 1420g Total Weight (Front & Rear combined)
  • Tubeless Ready Seamless Rim Bed (no need for rim tape)
  • DT Swiss 350 Straight Pull 12x100 & 12x142 Hubs 
  • 20/24 Sapim CX-Ray Bladed Spokes
  • Aerodynamically Optimised For 25mm tyres 
  • 3 Year Mechanical Warranty & Crash Replacement Scheme

      *(Disc brake rotors not included)


Spread the cost of your purchase into 3 interest-free instalments. The first payment is made at point of purchase, with remaining instalments scheduled automatically every 30 days.

PAY IN 30 Days

Make your purchase today so you can try before you buy. Only pay for what you keep. Pay up to 30 days later. No interest. No fees. No impact credit score.

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We're all about quality at ALT. and we're confident in our products longevity, which is why we put a 3 year warranty on all of our wheels against manufacturing and or material defects. To find out more click here. 

Crash Replacement Scheme.

Accidents happen when out on the bike and if your carbon wheels get damaged in a crash we're here to help with our 5 year crash repair or replacement scheme. To find out more click here.

Technical Specification


Rim Type. Carbon Clincher Tubeless

Seamless Rim Bed. Stiffer & Lighter, with No Need For Rim Tape

Brake Surface. 10Hm Hardness & Water Repellent

Rim Width. 19mm Internal, 26mm External

Rim Depth. 35mm


Front Hub. DT Swiss 350 Straight Pull. 9mm x 100mm QR Axle. Sealed Cartridge Bearings.

Rear Hub. DT Swiss 350 Straight Pull. 9mm x 130mm QR Axle. Sealed Cartridge Bearings. Freehub body options; Shimano 10/11s, Sram XDR/12s & Campagnolo 11s available.


Spoke Pattern. Radial Front / 2 Cross Rear

Spoke Count. 20 Front / 24 Rear

Spoke Type. Sapim CX-Ray Black

Spoke Tension. 110kgf Front / 120-130kgf Rear

Nipple Type. Sapim Secure Lock SILS Black


Assembly. Handbuilt To Order

Warranty& Support. 3Year Mechanical Warranty & Crash Replacement Scheme.

Weight. 1420g Combined / 650g Front / 780g Rear (± 10g) 

Max Payload. 120kg (Rider, Bike & Other Payload) Weight

Tyre Pressure Guide

The right tire pressure is a personal choice and depends on your riding style, the terrain and the conditions on the day you're riding. You need to find what works for you. Below is our recommended starting point for tubeless tyre set ups to get you started. Please note, never to exceed the max tyre pressure. Enjoy the ride!

Rider Weight (Kg)
40-50 Kg
51-60 Kg
61-70 Kg
71-80 Kg
81-90 Kg
91-100 Kg
100+ Kg
23mm Tubeless Tyre
55-65 psi
65-75 psi
75-85 psi
85-95 psi
95-105 psi
105-110 psi
115 psi (max)
25mm Tubeless Tyre
45-55 psi
52-65 psi
62-75 psi
72-85 psi
82-90 psi
88-92 psi
95 psi (max)
28mm Tubeless Tyre
40-45 psi
45-56 psi
54-62 psi
60-69 psi
67-75 psi
73-78 psi
82 psi (max)

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