- Black grade trails are suitable for: expert mountain bike users, used to physically demanding routes.
- Bike required: a good quality off-road mountain bike is needed.
- Skills needed: advanced level off-roading skills and technical ability.
- Trail and surface types: as for ‘red’, but with an expectation of greater challenge and continuous difficulty. Can include any useable trail and might include exposed open hill sections.
- Gradients or technical trail features: expect large, committing and unavoidable technical trail features. Sections will be challenging and variable. Might also have ‘downhill’ style sections.
- Suggested fitness level if in a Trail Hub: suitable for very active people used to prolonged effort.