Patent ID: 8555609

Claim:
An assembly comprising: a chain tool, comprising: a main body having: a cavity extending through the main body and establishing a longitudinal axis; a main portion; a top portion adjacent the main portion, the top portion comprising a lip that extends radially outward from the longitudinal axis and from the main portion, the top portion shaped and sized to form a top cap of a headset with the lip configured to engage a stem or a spacer on a bicycle; and a channel in the main portion for receiving a link of a bicycle chain, wherein the cavity extends from a first opening at the top portion, through the both the top portion and the main portion to a second opening at the channel in the main portion; and a shaft received into and movable within the cavity of the main body, the shaft comprising a threaded section and a pin, the pin located on one end of the shaft and configured to contact and engage a chain pin of the link of the bicycle chain.