The #2 has a 6

Built from durable materials

They will not perform so well in the loose stuff and even worse in muddy terrain

and the added benefits of possible increased range and chain security offered by clutch equipped Shimano derailleurs

Wall Plate Size: 15cm x 6cm approx

Cane Creek eeSilk Alloy Suspension Seat Post - 27.2mm - 20mm - 375mm PDP|Option The #2 has a 6Ride longer, ride farther with the eeSilk suspension seatpost. The eeSilk is comparable in weight to traditional rigid performance seatposts while offering 20mm of vertical compliance improving control on rough surfaces and reducing fatigue on long rides. This post makes a great enhancement to endurance road bikes by reducing the chatter transmitted from the surface to the rider and can be tuned to rider weight through a simple elastomer change. The