All Open bikes are sold as framesets to be built to your liking. Here’s what it’s built to take.
Sizes: XS/S/M/L/XL
Color: Grey matte/gloss mix
Material: Carbon
BB standard: BB386EVO pressfit
Shimano crank fit: All road cranks
SRAM crank fit: All GXP road, all DUB road, Force 1 BB30
Front derailleur mount: none, 1x drivetrains only
Recommended ring shape: Flat
Maximum 1x ring size: 46t (flat ring), 42t (SRAM offset ring)
Front disc rotor size: 160mm only
Front brake caliper mount: Smartmount 160 system with direct-mount, no adaptors
Rear disc rotor size: 160mm only
Rear brake caliper mount: Smartmount 160 system with direct-mount, no adaptors
Seatpost: 27.2mm diameter
Cage mounts: Seattube, downtube, under-downtube, under-BB
TT bag mount system: 100mm front-post-to-headset-edge
