Compare Best Mountain Bikes Under $3,000 Compare Products Compare select up to 5 products to compare Score Product Price 87 Polygon Siskiu T8Best Overall Mountain Bike Under $3000 $2,199 83 Marin Rift Zone 29 2Another Great Affordable Trail Bike $2,399 83 Giant Trance 29 3Best Short-Travel Bike Under $3000 $2,600 83 Kona Process 134 29 $2,599 80 Polygon Siskiu D7Best Bang For Your Buck $1,499 77 Trek Fuel EX 5 $2,700