| 摘要 |
In a brake caliper for a bicycle disk brake, a crank lever is driven to pull two cam shafts in achieving a braking operation, the crank lever having a substantially U-shaped head fastened to the brake cable of the bicycle, two arms respectively coupled to the two cam shafts, two shoulders respectively connected between the arms and two opposite ends of the U-shaped head, a screw hole and a recessed locating hole respectively provided at the shoulders, a screw rod threaded into the screw hole and having one end inserted into the recessed locating hole, and an adjustment nut threaded onto the screw rod and rotated to adjust the pitch between the shoulders of the crank lever.
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