Yes, the RFX seat tube is designed to accommodate a certain amount of insertion depending on the size of the frame. In order to tune the riding feel of the RFX, the geometry had certain specific requirements and because of this it was necessary to place the main pivot location within the seatube. It is important to only lower your seatpost to the point where it stops, forcing it in past this point will only damage your components.
Below are the insertion measurements per frame size:
- Small (15in) is 8.0 inches
- Medium (16in) is 8.5 inches
- Large (18in) is 9.5 inches
- X-Large (20in) is 9.5 inches
Yes, the Czar seat tube is designed to accommodate a certain amount of insertion depending on the size of the frame. In order to tune the riding feel of the Czar, the geometry had certain specific requirements and because of this it was necessary to place the main pivot location within the seatube. It is important to only lower your seatpost to the point where it stops, forcing it in past this point will only damage your components.
Below are the insertion measurements per frame size:
- Medium (17in) is 6.5 inches
- Large (19in) is 8.25 inches
- X-Large (21in) is 9.75 inches
Yes, Since most seatposts are longer than 8 inches in length. The Burner 27.5 seat tube is reamed to accommodate a total of 8 inches of seatpost insertion. Only lower your seatpost to the point where it stops, forcing in past this point will only damage your components.