OPEN U.P. “GravelPlus" frameset

The OPEN U.P. “GravelPlus" frameset is a versatile bicycle frame designed for gravel and mixed-terrain cycling. This frameset accommodates a wide range of tire sizes, making it suitable for riders seeking adaptability across road, gravel, and light off-road environments. The model is intended for cyclists who require a lightweight yet robust platform for custom bike builds.

• Constructed from high-modulus carbon fiber for strength and low weight
• Compatible with both 700c and 650b wheel sizes
• Clearance for tires up to 700 x 40mm or 650b x 2.1"
• Flat mount disc brake interface
• 12x142mm rear thru-axle dropout standard
• Internal cable routing for clean aesthetics and protection
• Threaded bottom bracket shell (68mm BSA)
• Multiple mounting points for bottles and accessories
• Tapered head tube for improved front-end stiffness

This frameset is compatible with a wide range of drivetrain systems, including 1x and 2x configurations, and is designed to accommodate electronic or mechanical shifting.

Available Variants: