| 摘要 |
<p>A bicycle bottom bracket force sensor includes an outer portion (120), an inner portion (122), at least one sensor mounting surface (152) and a strain gauge (86). The inner portion is dimensioned to receive and support a crank axle bearing that rotatably supports a crank axle. The at least one sensor mounting surface extends between the outer portion and the inner portion has the strain gauge fixed thereto. The sensor mounting surface extends in a direction substantially perpendicular to a rotation axis of the crank axle when the force sensor is coupled to the bicycle bottom bracket.
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