Ideal For Riders:
| Bike Model: | Wheel Size: | Age: | Leg Inseam: |
| Rookie 12 | 12 inch | 18 months to 4 year olds | 30cm – 48cm |
| Rookie 14 | 14 inch | 3 – 6 year olds | 40cm – 58cm |
| Rookie 18 | 18 inch | 5 – 8 year olds | 48cm – 68cm |
| Rookie 24 | 24 inch | 9 years to Teenagers | 62cm – 84cm |
