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The ultimate tubeless ready cyclocross tire

When there is mud on the course the Donnelly PDX is the tire of choice. It’s race-proven PDX tread and innovative tubeless design create the ultimate tubeless ready cyclocross tire.

PDX is the airport code for Portland, Oregon, where frequent rains create some of the muddiest cyclocross courses you’ll find anywhere.

Product details

  1. Center knobs are aligned for a fast roll on hard pack and pavement
  2. Side knobs offer superior edge control and extra traction coming out of corners
  3. An all-around performer with a particular love for mud
  4. Tubeless ready with proprietary tubeless casing

More options


Size 700C x 33mm
Diameter 700C
Width 33mm
Compound 70a
Bead Folding
Type Tubeless Ready (TLR)/Clincher
Minimum pressure 35psi
Max pressure 60psi
ETRTO 33-622
Puncture protection Tread Belt
Studdable No
Sealant volume 45mL
Weight 426g
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Weights are based off Trek pre-production products at time of publication. Weights may vary in final production.

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