BTP_Parts   BTP Cervelo carbon shim Carbon Fibre Seatpost Reduction Shim 32.4mm => 31.6mm. Suitable for Framesets such as Cervelo R3, Bianchi FG Lite Carbon and Carrera RC Hercules. ARAMID Water Cage "This is the lightest water bottle cage in the world" only 4.5 grams. This cage holds bottles and doesn’t launch them like some other cages that weigh four times more. The Aramid bottle cage is built with a great looking cross weave carbon for extra strength. The cage comes with two alloy fastening screws and fits all road frames. The Aramid uses the Tacx – Splashbottle or any standard 21oz size bottle. CARBON WATER BOTTLE CAGE * Attachments: 2 Alloy Screws * Bottles: 500 ml or 750 Tacx - Splashbottle * Weight: 4,5 g Carbon Shifter/Brake clamps Replace your steel Campy Ergopower or Shimano STI shifter/brake lever clamps with the BTP carbon fiber versions and save some precious grams. These two clamps weigh a total of 10 grams for the pa... wow! These are recommended for the serious weight saving weenies. CARBON FIBER SHIFTER/BRAKE CLAMP * Clamp Size: 23.8 to 24.2mm * Weight 10g for the pair.