the shimano 105 spd-sl carbon 5800 constitute automatic pedals for 105 pd-5800 road bikes. shimano products have as a guarantee the experience gained since 1921 of the most famous manufacturer of cycling components. in particular, they are made with carbon body and chrome shaft. they provide a soft anchor; which is adjustable in hardness to hook / unhook custom. they incorporate low maintenance sealed bearings. they have a weight of 275 grams the couple. compatible with spd sl. features: -automatic pedals. -for road bikes. -carbon body. -chrome shaft. -soft anchor; which is adjustable in hardness. -sealed bearings.