Who can explain that massive jockey wheel to me? (Soz if the question has already been asked)
Who can explain that massive jockey wheel to me?
Chain wraps at a less severe angle which in theory saves a bit of wattage.
But yeah if you need them your team or sponsor buys them for you.
@Howard started
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Who can explain that massive jockey wheel to me?
(Soz if the question has already been asked)