Mid-Size
Mid-Size TrailMaster Go-Karts — Best for Ages 8–12
Our most popular family karts. Mid-size models fit growing riders with more room, stability, and features—without jumping to full-size power. We deliver across the lower 48 and support you with manuals, OEM parts, and real tech help from our four-generation family team.
At a Glance
- Best for: Most kids ages ~8–12 (check seat-to-pedal fit)
- Common features: reverse, harnesses, full suspension, governed top speed
- How to choose: Start with the Sizing Guide and Model Comparison
- Pricing: No sneaky fees; only Georgia addresses add sales tax at checkout
Quick Paths
How to Choose a Mid-Size Kart
- Fit first: Check our recommendations.
- Pick features: reverse, harnesses, suspension travel, governor, tire size.
- Terrain & riders: yard/trails, flat vs hilly, 1 or 2 riders.
- Plan assembly: OEM manual or our GKM PRO full-color guide plus videos.
Popular Picks
Family All-Rounders
Balanced size and features for most 8–12 year-olds. Start here if you want room to grow and easy control for new riders.
Trail & Yard Fun
For mixed grass/dirt with occasional bumps. Look for suspension, governed top-speed, and reverse for tight spaces.
FAQs
What ages fit mid-size karts?
Typically ~8–12 depending on height. Check the Sizing Guide for seat-to-pedal fit and rider height.
How fast do mid-size karts go?
They include a governor so adults can limit speed for new riders. See each product page for the typical top-speed range.
Do you help with assembly and parts?
Yes—use OEM manuals and our GKM PRO guide, plus our videos. We stock OEM parts and provide tech support.
Trailmaster designed the mid sized karts for kids ages 8 and up. The beauty of this size kart is that most adults can ride it too! This model is the all around best go kart for families. It will last for years and eyars to come. All Mid sized karts have an automatic CVT transmission, a 7 hp engine, and a top speed around 25 mph. All you have to choose is which features you want.
