The look of the new Castor is dominated by the wide aerodynamic down tube and the ultra thin seatstays. In this aero frame, the cables are internal. The BB30 bracket eliminates the need for external cups, resulting in a stronger lighter bracket with a low Q factor.
The behavior of a bicycle frame is totally asymmetric. For the purpose of the construction of the frame, we assume that the rider applies equal force with his left and right leg. However, the pull on the chain is always applied on the right side of the frame. To counter this force, this frame has an asymmetrical internal construction. Even though it is not visible on the outside, the left and right sides of this frame are not constructed the same way. To counter the effect of chain pull, strategic areas are reinforced with extra layers of carbon. Reinforcing different areas on the left and right side of the frame helps us keep the weight of the frame down and significantly decreases the risk of fractures.
Castor frames are sold including
- ProRace Razor carbon fork (400 g) + expander
- Headset
- Front gear clamp
- ProRace Red Star seatpost and seatclamp
- Carbon Prorace bottlecage
For frame prices and equipment, see frame overview
Bikes are available with Campagnolo or Shimano groupsets.
For bike prices and equipment, see bike overview
The Castor is available in sizes S to XXL.
Frame properties:
Geometry: sloping
Weight: 1030 g
Torsional Stiffness:
- Head tube: 105 N/mm
- Bottom Bracket: 190 N/mm
- Seat Stay/Chain Stay: 50 N/mm
Design
The Castor is available in CHYPS designs in hundreds of thousands color combinations.
Click here for a simulation.
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