Bought these last summer, around June. Didn't ride from late September until mid-January. Have been riding 10-15 hrs a week otherwise, so I figure there is about 300 hours on these cranks. I love 'em, I really do. Last week I lost a stage race by 9 seconds though, and figure it's time to trim the weight of the bike down. The plan is to use the Q-Rings instead, as I really like the feel of these cranks and don't care to go back to regular cranks. The weight savings over a 3.8 mile uphill (5.35% grade) time trial would have only been about 5-7 seconds for these cranks compared to a set of superlights, but between that and a lighter fork and wheels I should be able to lighten my bike up to be on a more level playing field, like 16lbs instead of 19.5lbs.

These cranks come with a 52/36 chainring setup.

New cost is over $900. This set is offered at $300 + shipping to US residents.