Seatposts

Light, high-tech and comfortable, Specialized's S-Works Carbon Seatpost will improve your ride. It's built of Specialized's FACT carbon for a feathery weight and impressive strength and durability. Plus, the post features a cylindrical head assembly that's simple to adjust fore/aft and tilt with a single bolt. The S-Works seatpost comes in a 400mm length with zero or 20mm setback, as well as a 350mm length with 20mm setback.

- 45mm travel - 30.9mm seatpost diameter - 350mm length - 60 to 180kg rider weight - Adjustable suspension pre-load via hex key adjuster - High-quality broached internal keyways provide many years of trouble-free use - 15mm offset - 2-bolt clamp

Durable alloy construction - Quick and easy 1-bolt adjustment - 400mm length

Mass is the enemy of performance, so we pulled out all the stops to make the Alpinist Seatpost the lightest post we've ever seen that passes our standards. At 136 grams (27.2mm x 300mm), it's about as light as you'll find. Not only does light weight make for faster climbing, it also improves acceleration and ride quality. The Alpinist 2-bolt micro-adjust clamp with extended saddle cradle ensures precision fit and secure retention. Available in two sizes, 27.2mm x 300mm and 27.2mm x 360mm, each with a 12mm setback. And because they are backed by a no-fault crash replacement policy and lifetime warranty, you can rest easy knowing that we've got your back. - 136 grams (27.2mm x 300mm), - 2-bolt micro-adjust clamp with 46mm saddle rail cradle enables an effective offset from 0mm to 20mm. - Advanced composite construction delivers light weight and reliability. - Available in two sizes: 27.2mm x 300mm x 12mm offset, 27.2mm x 380mm x 12mm offset - No-Fault crash replacement policy. Lifetime warranty - System Weight Limit: 275lbs / 125kg

The Terra seatpost is the best choice for riding mixed terrain, gravel, or rough roads because it smooths the ride by allowing significant vertical compliance. The secret to this ride smoothing post is in the composite layup that we utilized. By utilizing composites with varying elongation characteristics at specific locations in the post, we enabled vertical compliance for comfort while retaining requisite strength for mixed terrain riding, all at a sub-200 gram weight (27.2 x 330 x 0). - 18mm Vertical Compliance (20mm offset / Full Extension) - 194 grams (27.2 x 330mm x 0) - Advanced composite construction delivers ride-smoothing vertical compliance. - Available in four sizes: 27.2mm x 330mm x 0 offset, 27.2mm x 380mm x 0 offset, 27.2mm x 330mm x 20mm offset, 27.2mm x 380mm x 20mm offset - No-Fault crash replacement policy. Lifetime warranty - Proven clamp design ensures ease of adjustment and slip-free performance. - System Weight Limit: 275lbs / 125kg