Add power to an existing 2014 Cannondale Hollowgram SI 3D forged crank by selecting the length of the non-drive power meter to match an existing crank. The Stages Power 2014 Hollowgram SI meter will also mate to the Hollowgram SISL2 model cranks.
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.