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A featherweight performance upgrade for your dream SL8 build—perfect inside and out, at just 110g.
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The TONALE seatpost by Alpitude is a premium carbon upgrade specifically designed for the Specialized SL8 frameset. Crafted in Italy using high-pressure molding with a silicone bladder, the TONALE delivers exceptional finish quality not just on the outside, but also inside the shaft—free of voids or imperfections.
Weighing as little as 110 grams (for 400mm length ±4%), it’s one of the lightest seatposts available while maintaining structural integrity and rider safety. Each post is non-cuttable and comes in multiple lengths to suit fit needs.
FEATURES
Exclusively designed for Specialized SL8 framesets
Crafted using premium carbon fiber and high-pressure molding
Seamless surface finish inside and out
Handmade in Italy for exceptional quality
Reference weight: 110g (400mm, ±4%)
Max rider weight: 95 kg
Available lengths: 250 / 300 / 350 / 400 mm (do not cut)
Max saddle clamp torque: 3 Nm
Max frame clamp torque: 4 Nm
SPECIFICATIONS
Brand: Alpitude
Model: TONALE
Material: Carbon Fiber
Compatibility: Specialized SL8
Available Lengths: 250 / 300 / 350 / 400 mm
Offset: Approx. 15 mm (reference)
Weight: 110g (400mm, ±4%)
Max Rider Weight: 95 kg
Max Saddle Clamp Torque: 3 Nm
Max Seat Tube Clamp Torque: 4 Nm
Made in: Italy