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Spend less time in the dead zone with these chainrings, ride quicker and recover faster. Osymetric chainrings are unique because they are not an oval shape as other existing products and the position of each tooth has been studied specifically in relation with the force of the riders leg at this specific position. The chainrings varying diameter alters the effective gear ratio through out the pedal stroke, producing a higher gear on the downstroke when the rider has more power and then reducing the gear on the upstroke. Thanks to the reduction of dead spots, Osymetric chainrings allow a natural pedaling frequency and therefore the use of a bigger gear ( 2 extra teeth on the chainring ).This leads to a decrease of 10% lactic acid reduction and a power gain of 10% at threshold.
Osymetric Road Inner Chainring For Shimano 5 Bolt Features And Benefits
Assembly of these rings is the same as standard round rings, no need to extend chain.
Delivery Information
Delivery to the UK and Ireland : 1- 2 days. Next day delivery to UK destinations is available at an additional charge, depending on item size and weight, details can be found at checkout.
European Destinations : 3 to 5 days
USA, Canada, Japan, Australia and other Far East Destinations 4 to 7 days.
Rest of World: 5- 10 days.
A tracking number with either Royal Mail or Parcel Force web address is emailed to all customers on dispatch of goods.
Further information on shipping charges.
Returns
We accept the return of goods only if they are unopened (except in cases where the item has to be tried for fit) and in their original condition. If you return goods as detailed, within 30 days, we will issue a full refund for the price you paid for the item.
If there is a fault or malfunction with an item please return the goods to us with the original receipt and packaging.We will forward the items to the relevant manufacturer's warranty department. Delays in return of warranty items are the responsibility of the manufacturers and we cannot be held responsible, we will however endeavour to have all warranty issues resolved as speedily as possible.
If the item returned is found not to be defective or sent by mistake by us; you will be responsible for the postage charges and the costs of any other services provided to you in connection with your purchase. If items are returned for a straight exchange due to change of size/colour a further postage and package charge will be have to be made.
