Description
The MOSTRO frame has been developed to be the fastest and the best acceleration road bike under concept ‘Built-For-Sprinter”. Frame shape is the important thing to focus to gain the most aerodynamic advantage.

We are not just making bikes. We are obsessed with biking.
T +66 (0) 2703 6826
Email: info@optima.bike
Raja Cycle Co., Ltd.
417 M.2 Bangphli-Tamrue Road, Phrekasamai, Muang, Samut Prakan 10280, Thailand
The MOSTRO frame has been developed to be the fastest and the best acceleration road bike under concept ‘Built-For-Sprinter”. Frame shape is the important thing to focus to gain the most aerodynamic advantage.
| Frame | MOSTRO – Carbon Fiber SUPREME LITE Technology |
|---|---|
| Fork | MOSTRO – Full Carbon SUPREME LITE Technology |
| Handlebar | 3T Aeronova Pro 420mm. |
| Stem | 3T ARX OE 90+/-6 |
| Saddle | San Marco ERA Startup Wide Open |
| Seatpost | MOSTRO – Carbon Fiber Monocoque Technology |
| Brakes | Shimano Ultegra BR-R8070 Hydraulic Disc Brake |
| Crankset | Shimano Ultegra FC-R8000 Compact 50x34T 170mm. |
| Chain | KMC X11EL TI-Gold |
| Front Derailleur | Shimano Ultegra FD-R8000 |
| Rear Derailleur | Shimano Ultegra RD-R8000 |
| Shifter | Shimano Ultegra ST-R8020 |
| Cassette | Shimano Ultegra CS-R8000 11-28T |
| Wheelset | OPTIMA Disc-Break w/6-Bolts Rotor |
| Tires | Vittoria Zaffiro Pro Slick II 700x23c |
| Weight | 8.35 kg. |
| Size Available | 47, 50, 52, 54 |
| Color | Black Matt, Red Glossy |
