0% Novice (Grade 2) - Suitable for a confident rider on roads or trails. Easier gradients, trail surfaces are mainly firm but may include muddy or loose rocks.
62% Intermediate (Grade 3) - Suitable for most experience cyclists with a good level of fitness. Trail surfaces are mainly firm but may include muddy or loose sections, and obstacles such as rocks or tree roots.
28% Advanced (Grade 4) - Suitable for fit, more experienced cyclists with good off-road and/or on-road skills. The trail surface includes firm and loose sections, with lots of rocks and tree roots.
10% Expert (Grade 5) - Suitable for experienced cyclists with excellent off-road skills and a high level of fitness. Challenging with long, steep climbs, precipitous descents and potentially dangerous drop-offs, as well as rocks, roots, and ruts to navigate.