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The crank arms are completely hollow with all unnecessary material being removed from the center core - no internal aluminum spine (industry standard 30mm spindle with Cinch spline interface). The spindle is CNC machined from a newly commercialized aluminium 'super alloy' that is 20% stronger than 7050 alloy (the alloy commonly used in this application). The removable spider offers the ability to convert between existing chainring standards while remaining flexible to future developments.
The interchangeable spindle option of the Cinch system allows you to use the same crankset with 68/73mm and 83mm frames.
The delivery options available for shipping this product along with the contents of your basket to USA are:
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.