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The Marin Donky Jr. 20" is a lightweight kids’ bike with an aluminum frame and steel fork, simple single-speed setup and reliable linear brakes — perfect for learning balance and confident riding.
Available in store
CloseThe Marin Donky Jr. 20" is tailored for new riders taking their first steps on two wheels. Its single speed drivetrain keeps things simple so young cyclists can focus on building balance and confidence.
Built around a Series 1 aluminum frame, this bike is lightweight yet sturdy, with a steel fork for dependable strength that holds up during play and learning.
• 20” wheels with Marin X Vee Tire Co. Speedster 20×2.0” tires for smooth rolling on sidewalks, paths, and neighborhood trails.
• Linear pull brakes provide consistent stopping power that’s easy for kids to operate.
• Short-reach brake levers and grips sized for little hands to support confident handling.
The balanced geometry and simple setup make this bike a great companion for your child’s earliest rides, whether cruising the driveway or exploring nearby parks.
A fun, lightweight, and easy-to-ride bike for kids starting their cycling journey.
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