Big wheels roll over obstacles better than smaller wheels. This paired with a long-travel enduro machine means you’ll be able to conquer the descent with ease. The Marin Alpine Trail 7 Bike is a 29″-wheeled full-suspension bike built for the all-day enduro rider that earns their downhill fun. The Series 4 6061 aluminum frame uses 160mm of travel on the front and 150mm of travel on the rear. The frame features a MultiTrac Suspension Platform, internal cable routing, and a threaded bottom bracket.