The motorcycle jig is optional for motorcycle tyre balancing.

选配摩托车夹具，用于平衡摩托车轮胎。

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All the signs for him are good, he has a very good motorcycle and tyre package underneath him and combines it with youthful exuberance and a gritty determination to succeed.

BBC: SPORT | Motorsport | Motorbikes | Steve Parrish's MotoGP column