Patent ID: 9011282
Filing Date: 2015-04-21
Classification: B62M

Abstract:
1. A bicycle sprocket for use with a multi-gear rear cassette, the sprocket comprising: a chain engaging portion having a generally annular shape about a central axis, a radially outward edge of the chain engaging portion comprising a plurality of circumferentially spaced and radially outwardly extending teeth for mechanical engagement with a bicycle chain; a mounting portion having a generally annular shape about the central axis, a radially inward edge of the mounting portion defining an aperture shaped to receive therein a freehub body and a radially outward edge of the mounting portion radially spaced apart from a radially inward edge of the chain engaging portion; a plurality of support arms, integrally formed with the chain engaging portion and with the mounting portion, extending radially outwardly from the radially outward edge of the mounting portion to the radially inward edge of the chain engaging portion; and a plurality of space maintaining protrusions, each space maintaining protrusion integrally formed with and extending axially forwardly from an axially forward surface of a corresponding support arm.