Originally Posted by probable556
M540 Spd's - These are almost idenical to the 959's but at a reasonable price. I've put many miles on them and they are great. Only $70-75 bucks instead of the $120 for the 959's. I had the 520's on a bike for a couple of years, but found the 540's much nicer and worth a few extra bucks. The 520's seemed heavy for me even though I dont care about weight on my bike.
http://www.amazon.com/Shimano-PD-M54.../dp/B000G7SR8E
Cambria lists the weight on the 520 as 370g and the 540 as 320g. Personally, having wrench flats on the pedals is much more important than saving 20g. I dislike installing pedals with an allen wrench