Product Description The PRC SPC1 from Procraft is a well-shaped seatpost clamp made of 3K carbon, which is equipped with anodised bolts and holds your seatpost securely in place with a titanium screw. Specifications:Type:Seatpost Clamp w/ BoltDiameter:31.8 mm, 34.9 mm, 36.0 mmMaterial:CarbonTechnical Information:Stack Height:16 mmBolt Material:titaniumFeatures:aesthetically-pleasing tuning partfine woven carbontwo anodised boltspowerful and secure clampingManufacturer Numbers:carbon-black / 31.8 mm:11333110carbon-black / 34.9 mm:11333114carbon-black / 36.0 mm:11333118carbon-red / 31.8 mm:11333111carbon-red / 34.9 mm:11333115carbon-red / 36.0 mm:11333119Contents:1 x Procraft PRC SPC1 Carbon seatpost clamp Weight: carbon-black | 34.9 mm: 12 g Manufacturer: Procraft (Messingschlager GmbH & Co. KG) Hans-Heinrich-Sievert-Str. 10 96148 Baunach Germany info@procraft.de