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.
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 patented Dual-Position Seatpost lets you ride a true aero position on a standard road bike, without sacrificing your normal road position. Along with the Quick-Release Aerobars it provides the benefits of a triathlon or time trial bike without the additional bike or price tag. The key to riding powerfully and comfortably is proper saddle position and since you can switch between road and aero positions on-the-fly while riding, you can always choose the best riding position for every part of your ride. Benefits: - Transform your current bike—switch from road to aero position on the bike you already own - Ride with ease—no more time and energy wasted switching from road bike to aero bike Details: - Linkage design lets you switch between road and aero positions seamlessly while riding - Choose the best position for every single climb, flat, or descent - Maintain proper leg extension in both road and aero positions - Saddle moves forward 50mm, corresponding to approximately 4 degrees of effective seat tube angle change - Aero road riding position optimized for proper handling on a road bike - Simple, durable two-bolt saddle clamp allows infinite saddle tilt adjustment and reliable clamping - 16mm rearward setback (road position) - Check technical specifications for compatibility
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