Specialized Factory Replacement Roval Alpinist Carbon Seatpost

27.2mm x 360mm | 12mm Setback | Ultra-Light Performance

Mass is the enemy of performance.

The Roval Alpinist Carbon Seatpost is engineered to be one of the lightest posts available that still meets Specialized’s rigorous strength and durability standards. At just 136 grams (27.2mm x 300mm), it’s built for riders who demand elite climbing efficiency without sacrificing reliability.

Lighter weight improves more than just climbing—it enhances acceleration and ride quality across every effort.

Ultra-Light Carbon Construction

• Advanced composite carbon layup

• Optimized strength-to-weight ratio

• Designed to meet Specialized durability standards

• 136g (27.2mm x 300mm)

Precision 2-Bolt Micro-Adjust Clamp

The Alpinist features a refined 2-bolt micro-adjust system for secure, repeatable saddle positioning.

• 46mm extended saddle rail cradle

• Effective offset adjustment range from 0mm to 20mm

• Secure retention for aggressive riding

• Compatible with carbon and alloy saddle rails

Specifications

• Diameter: 27.2mm

• Length: 360mm

• Setback: 12mm

• Weight: 136g (27.2 x 300mm)

• Rail Compatibility: Carbon & alloy rails

• System Weight Limit: 275 lbs / 125 kg

Also available in 27.2 x 360mm (12mm setback).

Performance Benefits

✔ Reduced rotational mass for faster climbing
✔ Improved acceleration response
✔ Enhanced ride compliance
✔ Secure saddle positioning
✔ Race-ready weight without compromise

Warranty & Support

• Lifetime warranty

• No-fault crash replacement policy

Ride confidently knowing your equipment is backed by Specialized.

Ideal For

✔ Lightweight road builds
✔ Climbing-focused setups
✔ Tarmac / Aethos platforms
✔ Performance gravel builds
✔ Riders seeking premium weight savings

The Roval Alpinist Carbon Seatpost is built for riders who count grams and demand performance. Ultra-light. Precisely adjustable. Race ready.