Marin Bikes | 2025 Alcatraz 1

Marin Bikes | 2025 Alcatraz 1Size Guide An affordable gateway into dirt jumping, pump tracks, and freestyle MTB riding without sacrificing the geometry and attitude the Alcatraz line is known for. The Marin Alcatraz 1 is a purpose built dirt jump bike designed for riders looking to get into jumps, pump tracks, skateparks, and urban freestyle riding. Built around Marins proven Series 3 aluminum dirt jump frame and compact 26 inch wheel platform, the Alcatraz 1 delivers responsive

• 700C Wheel PlatformEfficient rolling performance suited for commuting

• Storage Holder IncludedKeeps all Torx keys organized and easily accessible in the workshop

• StemMarin CNC

• Series 4 Superlight Aluminum FrameLightweight and responsive frame with internal routing and boost thru-axle spacing for precise handling and efficient power transfer

• Shimano Claris 2x8-Speed DrivetrainReliable wide-range gearing for climbs

and easy accessibility without sacrificing modern gravel capability

• ChainShimano CN-LG500

• Bottom BracketSquare Taper

and versatility on rough roads and gravel

• PedalsCommute Platform

• SRAM GX Eagle 1x12-Speed DrivetrainWide-range gearing with precise shifting performance for steep climbs and fast descents

Built for riders seeking a capable and modern full-suspension trail bike with confident geometry