OPEN UPPER Frameset
Best premium gravel frame for performance oriented multi surface riders.
This frameset defines the fast gravel category by blending road-bike speed with off-road versatility. Its lightweight carbon construction and dual-wheel compatibility allow for a seamless transition between pavement and dirt, making it a premier choice for riders who refuse to compromise on performance or terrain.
$1895.99
at
Contender Bicycles
Who it's for
- Multi-surface riders seeking one high-performance bike for all terrain
- Weight-conscious climbers and competitive gravel racers
- Endurance cyclists prioritizing comfort on long, vibrating gravel routes
Who should skip it
- Budget-aware cyclists looking for high value-to-performance ratios
- Self-supported bike packers requiring extensive gear hauling capabilities
- Casual riders preferring a relaxed, upright posture for leisurely outings
Performance breakdown
Versatility
Seamlessly transitions from fast road rides to technical gravel adventures.
Weight Efficiency
Featherweight carbon construction keeps climbs snappy and handling incredibly responsive.
Tire Clearance
Generous spacing accommodates wide rubber for superior traction on loose terrain.
Power Transfer
Stiff frame architecture ensures every watt translates directly into forward momentum.
Aesthetic Integration
Internal routing and clean mounts create a sleek, uncluttered profile.
Build Compatibility
Standardized sizing makes sourcing components and customizing your build straightforward.
Key Specs
Frame Material
Carbon Fiber
Frame Weight
1040 grams
Bottom Bracket Standard
BB386EVO
Tire Clearance
700c up to 40mm, 650b up to 2.1 inches
Brake Compatibility
Flat-mount disc
Headset Type
Integrated IS42/28.6 | IS52/40
Front Axle Spacing
100mm
Rear Axle Spacing
142mm
Seatpost Diameter
27.2mm
Know before you buy
Still have a question?
Ask Metto anything about the OPEN UPPER Frameset before you decide.
