s&m warranty is as follows
1 year warranty from date of sale if your the original purchaser with proof of purchase
after the 1 year warranty runs out there is the crash replacement policy again you need to be the original purchaser with proof of purchase, then they will sell you a new pair at a discounted rate
here is the full details from s&m's site
The following three level warranty policies apply to ALL S&M hard-goods if you are the original owner and can provide proof of purchase. This warranty does not apply to S&M branded handle grips, tires or soft-goods.
30 Day Warranty against Manufacturer’s Defects
A Manufacturer’s Defect is anything deemed incorrect with the product upon purchasing it. We realize it may take some time to notice these types of problems, so we allow a 30-day period to identify them. Any product determined to posses such a defect will be replaced free of charge.
1 Year Warranty against Breaks
If a break develops on any S&M hard-good within one year of purchase, we will replace it free of charge.
Lifetime Warranty Upgrade
If you damage an S&M product while in use, you can purchase a replacement or an upgrade at discounted Warranty Upgrade prices for the life of the part. Products purchased at Warranty Upgrade prices directly from S&M will be covered by our 30-Day Warranty against Manufacturer’s Defects only.