Marin Bayview Trail 20" Bike 2025Get kids hooked on riding. The Marin Bayview Trail 20" is a well-considered kids' trail bike that doesn't cut corners where it counts. A lightweight Series 1 6061 aluminum frame, Tektro mechanical disc brakes with kid-specific short-reach levers, Shimano Altus 1x7 drivetrain, and double-wall alloy rims deliver real bike quality at an accessible price. Fun graphics, durable components, and a geometry dialed for smaller riders make the Bayview Trail 20 the kind of bike that gets kids genuinely excited to ride - and keeps them riding for years. Features Series 1 6061 aluminum frame with IS seatstay disc mounts and 135mm dropouts - lightweight, durable, and built specifically for 20" wheel kids' trail riding Shimano Altus 1x7 rear derailleur with Shimano Revo Twist shifter and 12-32T cassette - simple, reliable shifting that's easy for kids to operate Tektro MDM280 mechanical disc brakes, 160mm rotors with kid-specific short-reach alloy levers front and rear - real disc brake stopping power scaled for smaller hands Kid-specific components throughout - 580mm handlebar, 30mm rise, 115mm cranks with ring guard, dual density grips, and a 27. 2mm alloy seatpost SPECIFICATIONSFrame Series 1 6061 Aluminum, 20" Wheels, IS Seatstay Disc Mounts, 135mm Dropouts Fork Steel Rigid Fork, 100mm Spacing, QR Lever Headset FSA No. 10PFront Derailleur N/ARear Derailleur Shimano Altus, 7-Speed Shifters Shimano Revo Twist, 1x7-Speed Crankset Forged Alloy, 30T, 115mm, Ring Guard Bottom Bracket Sealed Cartridge Bearings, Square Taper Chain KMC Z8Cassette Shimano CS-HG200, 12-32T, 7-Speed Brakes Tektro MDM280 Mechanical Disc, 160mm Rotor (Front and Rear)Wheelset Marin Double Wall Alloy, 32HFront Hub Forged Aluminum Alloy, 32HRear Hub Forged Aluminum Alloy, 32HSpokes14g Stainless Steel Tires Multi Surface, 20"x2. 125"Handlebar Marin Riser, 30mm Rise, 580mm Width Stem Marin Alloy, 40mm Grips Marin Dual Density Seatpost Marin Alloy, 27. 2mm Saddle Marin Kids MTBPedals Kids' Specific Nylon Intended Use Youth Trail Note: Components are subject to change without notice. METRICINCHMarin Bayview Trail 20Size20"A: Seat Tube Length280B: Effective Top Tube415C: Stack429D: Reach300F: BB Drop30G: Head Tube Length100H: Head Tube Angle67 degI: Seat Tube Angle75 degJ: Standover Height501K: Chainstay Length355L: Wheelbase860Stem Length40 mm Handlebar Width580 mm Crank Arm Length114 mm Marin Bayview Trail 20Size20"A: Seat Tube Length11. 0B: Effective Top Tube16. 3C: Stack16. 9D: Reach11. 8F: BB Drop1. 2G: Head Tube Length3. 9H: Head Tube Angle67 degI: Seat Tube Angle75 degJ: Standover Height19. 7K: Chainstay Length14. 0L: Wheelbase33. 9Stem Length40 mm Handlebar Width580 mm Crank Arm Length114 mm | Marin Bikes | Bayview Trail 20" Bike Teal Silver Xs | Nylon