TO: 2026 GNCC Participants

FROM:  GNCC Racing

DATE: March 20, 2026

SUBJECT: COMPETITION BULLETIN 2026-9:

Update to Bike Class Displacement Rules

Effective immediately, the minimum displacement of the Bike Women C, 150 Schoolboy B (12-17), and 150 Schoolboy C (12-16) classes has been reduced from the previous minimum of 122cc to 100cc.

Additionally, a minimum wheel size has been set for these classes, requiring minimum 19” front/16” rear wheels.

For clarification, Minicycles that do not meet the above minimum cc limit and wheel size requirements are not permitted in the Motorcycle races. 

2026 National Bike Classes

For questions, email [email protected].