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The profile of the teeth, completely redesigned in line with the Ultra-Drive project, makes it possible to achieve the maximum response speed at the moment of shifting.
The synchronisation obtained by establishing a specific position of the teeth inter sprocket makes the passage from one sprocket to the next very fluid and fast.
And in order not to lose rigidity, the last two are fitted on an aluminium frame
We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.
Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.