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Donnelly Tires LAS Tubeless Ready Cyclocross Tire
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Donnelly Tires
LAS Tubeless Ready Cyclocross Tire

Mfg PartNum:D10025
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Viva LAS Velocity

The Donnelly LAS Tubeless Cyclocross Tire is your choice for a low-profile, high speed CX tire. The diamond-file tread at the tire center offers extremely low rolling resistance for flat-out efforts. However, the tread grows larger as it moves outside to the race-proven PDX side knobs for incredible grip in corners.

LAS is the airport code for Las Vegas, Nevada, the original home of the world-famous Cross Vegas cyclocross race. This mostly grass course required the fastest tire a racer could use and the LAS delivered. Far from the Mojave Desert sands though, this is also the go-to for snowy, rutted, icy cyclocross courses conditions when you need as much surface contact as possible to keep your tires planted.


  • Diamond file tread pattern for low rolling resistance
  • Side knobs offer superior cornering
  • Soft rubber compound provides extra grip and shock absorption
  • Precision design creates a straight tire with no variances in size or alignment
  • Tubeless Ready
  • 700 x 33 (33-622)
  • 120 TPI

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.


Weight: 464 grams


Threads Per Inch: 120 


Tire Type: Tubeless Ready 


Wheel Size: 700C/29" (ISO 622) 


Tire Width: 33mm (1.3in) 


Mfg PartNum: D10025