| US 7,537,231 B2 | ||
| Bicycle fork assembly | ||
| Jean-Luc Callahan, San Jose, Calif. (US); and Jan Talavasek, Morgan Hill, Calif. (US) | ||
| Assigned to Specialized Bicycle Components, Inc., Morgan Hill, Calif. (US) | ||
| Filed on Jun. 27, 2007, as Appl. No. 11/769,480. | ||
| Application 11/769480 is a continuation in part of application No. 11/370750, filed on Mar. 08, 2006. | ||
| Prior Publication US 2008/0029993 A1, Feb. 07, 2008 | ||
| Int. Cl. B62K 21/00 (2006.01) | ||
| U.S. Cl. 280—276 [280/279; 280/280] | 17 Claims |
| 9. A bicycle comprising:
a frame having a head tube;
a fork including:
a fork crown defining an arch way;
a transition coupled to an upper part of the fork crown; and
a steerer tube having a lower section coupled to an upper part of the transition at a transition point, the lower section
having an outer dimension that tapers smaller moving away from the transition, the steerer tube further including an upper
section coupled to the lower section and having a substantially constant cross section;
a lower bearing having a diameter and being recessed within the head tube, the lower bearing configured to rotatably support
the fork within the head tube; and
a lower bearing race positioned substantially at the transition point,
wherein the arch way is a distance from the lower bearing, wherein a ratio is defined as the distance divided by the diameter
of the lower bearing, and wherein the ratio is at least 0.7.
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