US Patent 7090307 Bicycle rim

A bicycle rim is provided that includes a tire attachment portion, a spoke attachment portion and a plurality of reinforcement members. The spoke attachment portion is fixedly coupled with the tire attachment portion. The spoke attachment portion includes a plurality of circumferentially spaced attachment openings. The reinforcement members are fixedly coupled to the spoke attachment portion at the attachment openings to effectively increase the thickness of the spoke attachment portion of the rim at the attachment openings. Each of the reinforcement members is bonded to the spoke attachment portion. The through openings are aligned with the attachment openings.