OPEN Min.d.

Frame-only size M, ±3%
870g (painted, uncut seatmast, w/o metal parts)
Fork-only weight, ±3%
335g (uncut steerer)
Sizes
S/M/L/XL
Stock colors
Midnight blue, RTP
RTP (Ready-to-paint)
A clearcoat is not needed for UV protection but recommended to protect against scratches and wear. Some customers leave the frame bare.
BB standard
BB386EVO pressfit 86.5x46mm BB shell
Recommended groupsets
Any Shimano, SRAM & Campagnolo 1x
Any Shimano Di2
Any SRAM eTap
Campagnolo 2x EPS
For Shimano 2x mechanical, please contact us
(please note the seatmast inside diameter reduces above the toptube, so you need enough seatmast length to fit the Di2 or EPS battery. Check in the frame before cutting the seatmast)
Front derailleur mount
Yes
Rear thru-axle
142x12mm superlight Carbon-Ti X-12
Front thru-axle
100x12mm superlight Carbon-Ti X-12
Front disc rotor size
160mm only
Front brake caliper mount
Smartmount 160 system attaches flatmount caliper, without adaptor, for 160mm rotors
Front brake bolts SRAM
2x 37mm "REAR” brake bolts for 30mm “chainstay” (SRAM part# 00.5318.005.008)
Front brake bolts Shimano
2x 43.2mm “REAR” brake bolts for 30mm “chainstay” (Shimano part# Y8N208030)
Front brake set-up Campagnolo
“140mm” (rear) caliper + 160mm rotor, no adaptors, 2x 39mm "screws for 30-34 mm rear mount thickness” (Campagnolo part# AC18-DBSC39)
Rear disc rotor size
160mm only
Rear brake caliper mount
Smartmount 160 system attaches flatmount caliper, without adaptor, for 160mm rotors
Rear brake bolts SRAM
1x 27mm (SRAM part# 00.5318.005.004), 1x 32mm (SRAM part# 00.5318.005.006)
Rear brake bolts Shimano
1x 33.2mm (part# Y8N208010), 1x 38.2mm (part# Y8N208020)
Rear brake set-up Campagnolo
“140mm” (rear) caliper +160mm rotor, no adaptors, 1x 29mm “screw for 20-24 mm rear mount thickness” (part# AC18-DBSC29), 1x 34mm “screws for 25-29 mm rear mount thickness" (part# AC18-DBSC34)
MultiStop internal system
Di2, eTap, EPS, 1x mechanical (all groups)
Headset
Cane Creek Integrated IS42/28.6 | OPEN-custom Integrated IS47/38 (complete set part# CAA2011K)
Seatpost
Integrated mast 25mm BB to saddle
Seattube top clamp
OPEN-custom saddle top clamp with micro-wedge for 25mm seat mast with 15mm adjustment (MOCT top clamp with 15-35mm adjustment available separately)
Rail clamp
Ritchey rail clamp with side plates for round 7x7 and oval 7x9.6mm rails included
Travel Bag Recommendation
Scicon AeroComfort Road 3.0. Scicon has an easy WILL YOUR BIKE FIT tool. (use your current bike setup for dimensions A, B & D and use the wheelbase in our geometry chart below for dimension C).
Indoor trainer compatibility
Detailed information here
Installation information
Brake hose installation
Torque specs & BB installation
Seatmast cutting & installation instructions
Seatmast installation video
Warranty
Detailed information here
Included with frameset: Headset, Seattube top clamp, Rail clamp, Thru-axles, 2 RD hangers, 2 MultiStops (Di2, eTap), cable exit stop, noise-reduction foam sleeves, bottle cage bolts, manual