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Kid-friendly fit, grown-up performance

The XR1 Kids' is a durable, kid-friendly tire with the same reliable traction and performance as the grown-up versions. It rolls fast, features a versatile tread for a variety of trail conditions, and keeps weight down so little rippers can quickly gain speed and keep momentum through corners and up hills.

Product details

  1. Excels in firm and fast conditions
  2. Offers fast-rolling and predictable cornering with consistent traction


Sized for kids

Sized for kids

A kid-sized mountain bike tire that’s light in weight yet packed full of grown up performance.

Inner Strength

Inner Strength

Our Inner Strength Casing is made of lightweight nylon inserts that provide strong, supple sidewall protection for added tire durability.


Size 12" x 2.25" 16" x 2.25" 20" x 2.25" 24" x 2.25"
Diameter 12" 16" 20" 24"
Width 2.25" 2.25" 2.25" 2.25"
TPI 27 TPI 27 TPI 27 TPI 27 TPI
Compound 60a 60a 60a 60a
Bead Wire Wire Wire Wire
Type Clincher Clincher Clincher Clincher
Max pressure 50psi 50psi 50psi 50psi
ETRTO 57-203 57-305 57-406 57-507
Studdable No No No No
Weight 320g 460g 645g 623g
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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