Bicycle disc brake caliper
A bicycle disc brake caliper comprises a caliper body. The caliper body includes a slot in which a brake pad is arranged. The caliper body includes a first body portion, a second body portion, a mounting surface, a first receiving hole, a cylinder bore, and a second cylinder bore. The second body portion is coupled to the first body portion so as to provide a slot therebetween. The mounting surface is configured to face a pipe portion of a bicycle body in a mounted state where the bicycle disc brake caliper is mounted to the bicycle body. The first receiving hole is provided on the mounting surface. The first receiving hole is configured to be threadedly engaged with a fastener to mount the bicycle disc brake caliper to the bicycle body. The first cylinder bore is provided on the first body portion. The second cylinder bore is provided on the first body portion.
1. A bicycle disc brake caliper comprising:
a caliper body including:
a first body portion;
a second body portion coupled to the first body portion so as to provide a slot therebetween;
a mounting surface configured to face a pipe portion of a bicycle body in a mounted state where the bicycle disc brake caliper is mounted to the bicycle body;
a first receiving hole provided on the mounting surface, the first receiving hole being configured to be threadedly engaged with a fastener to mount the bicycle disc brake caliper to the bicycle body;
a first cylinder bore provided on the first body portion; and
a second cylinder bore provided on the first body portion, wherein
the first receiving hole has a first center axis,
the first cylinder bore has a first cylinder center axis non-parallel to the first center axis, and
the first center axis extends through the first cylinder bore.
2. The bicycle disc brake caliper according to claim 1 , wherein
the first cylinder center axis is perpendicular to the first center axis as viewed in a direction perpendicular to both the first center axis and the first cylinder center axis.
3. The bicycle disc brake caliper according to claim 1 , wherein
the mounting surface is provided on the first body portion.
4. The bicycle disc brake caliper according to claim 3 , wherein
the first cylinder center axis is offset from the first center axis.
5. The bicycle disc brake caliper according to claim 1 , wherein
the caliper body further includes a second receiving hole provided on the mounting surface.
6. The bicycle disc brake caliper according to claim 5 , wherein
the second receiving hole includes a second threaded hole having a second center axis, and
the second cylinder bore has a second cylinder center axis non-parallel to the second center axis.
7. The bicycle disc brake caliper according to claim 6 , wherein
the second cylinder center axis is perpendicular to the second center axis as viewed in a direction perpendicular to both the second center axis and the second cylinder center axis.
8. The bicycle disc brake caliper according to claim 6 , wherein
the mounting surface is provided on the first body portion, and
the second center axis extends through the second cylinder bore.
9. The bicycle disc brake caliper according to claim 8 , wherein
the second cylinder center axis is offset from the second center axis.
10. The bicycle disc brake caliper according to claim 6 , wherein
the first receiving hole includes a first threaded hole having the first center axis, and
the second center axis is parallel to the first center axis.
11. The bicycle disc brake caliper according to claim 10 , wherein
a distance between the first center axis and the second center axis is equal to or larger than 15 mm and is equal to or smaller than 55 mm.
12. The bicycle disc brake caliper according to claim 10 , wherein
no portion of the caliper body extends beyond the mounting surface in a direction toward the bicycle body along a line extending directly between the first threaded hole and the second threaded hole.
13. The bicycle disc brake caliper according to claim 1 , wherein
the second cylinder bore has a second cylinder center axis parallel to the first cylinder center axis.
14. The bicycle disc brake caliper according to claim 1 , wherein
the first cylinder bore has a first maximum inner diameter,
the second cylinder bore has a second maximum inner diameter, and
the first maximum inner diameter is different from the second maximum inner diameter.
15. The bicycle disc brake caliper according to claim 14 , wherein
the first cylinder bore is provided on a downstream side of the second cylinder bore in a driving rotational direction in which a disc brake rotor is rotated relative to the bicycle disc brake caliper in a driving state where a bicycle is forwardly moved, and
the first maximum inner diameter is larger than the second maximum inner diameter.
16. The bicycle disc brake caliper according to claim 14 , wherein
the caliper body includes a hydraulic port,
the first cylinder bore has a first maximum inner diameter,
the first cylinder bore is closer to the hydraulic port than the second cylinder bore,
the second cylinder bore has a second maximum inner diameter, and
the first maximum inner diameter is larger than the second maximum inner diameter.
17. The bicycle disc brake caliper according to claim 1 , wherein
the caliper body further includes:
a third cylinder bore provided on the second body portion to face the first cylinder bore; and
a fourth cylinder bore provided on the second body portion to face the second cylinder bore.
18. The bicycle disc brake caliper according to claim 17 , wherein
the first cylinder bore has a first maximum inner diameter,
the second cylinder bore has a second maximum inner diameter,
the third cylinder bore has a third maximum inner diameter equal to the first maximum inner diameter, and
the fourth cylinder bore has a fourth maximum inner diameter equal to the second maximum inner diameter.
19. The bicycle disc brake caliper according to claim 1 , wherein
the mounting surface includes a first surface and a second surface spaced apart from the first surface,
the first receiving hole is provided on the first surface, and
the second receiving hole is provided on the second surface.
20. The bicycle disc brake caliper according to claim 1 , wherein
the mounting surface is provided on the first body portion, and
the first body portion is farther from a center longitudinal plane of the bicycle body than the second body portion in the mounted state.
21. The bicycle disc brake caliper according to claim 1 , wherein
the caliper body includes a hydraulic port to which a hydraulic hose is adjustably coupled.
22. A bicycle disc brake caliper comprising:
a caliper body including:
a first body portion;
a second body portion coupled to the first body portion so as to provide a slot therebetween;
a mounting surface configured to face a pipe portion of a bicycle body in a mounted state where the bicycle disc brake caliper is mounted to the bicycle body;
a first receiving hole provided on the mounting surface, the first receiving hole being configured to be threadedly engaged with a fastener to mount the bicycle disc brake caliper to the bicycle body;
a first cylinder bore provided on the first body portion; and
a second cylinder bore provided on the first body portion, wherein
the caliper body further includes a second receiving hole provided on the mounting surface,
the second receiving hole has a second center axis,
the second cylinder bore has a second cylinder center axis non-parallel to the second center axis, and
the second center axis extends through the second cylinder bore.
23. The bicycle disc brake caliper according to claim 22 , wherein
the second receiving hole includes a second threaded hole.
24. The bicycle disc brake caliper according to claim 23 , wherein
the second cylinder center axis is perpendicular to the second center axis as viewed in a direction perpendicular to both the second center axis and the second cylinder center axis.
25. The bicycle disc brake caliper according to claim 23 , wherein the mounting surface is provided on the first body portion.
26. The bicycle disc brake caliper according to claim 25 , wherein the second cylinder center axis is offset from the second center axis.