ABOUT OMNI Racer OMNI Racer provides some of the World's Lightest cycling components. OMNI Racer is small young U.S. company with a passion for cycling and dedicated to bringing cyclists innovative, lightweight, and high quality cycling components to riders that seek the lightest and best quality products. OMNI Racer's products are engineered to optimize the best structural properties of carbon fiber and high strength alloys, creating components at extremely low weights. NOW ALL PRODUCTS LIFETIME WARRANTEED! NEEDVILLE, TEXAS USA KEY FEATURES: Rubber Seal on Top and Bottom High quality rubber top seal and bottom seals keep out moisture and dirt. O-Ring Top Seal High quality top O-ring seats tightly against steerer tube to keep out moisture and dirt. Integrated Headset Fit Fits most all 1-1/8" (28.6mm) integrated headsests and steerer tubes PRODUCT FEATURES/BENEFITS: FULL CARBON FIBER Prodvides a very light and beautiful appearace and adds that "PRO" look to your bike. DOUBLE SEALS High quality O-ring top rubber seal and patented bottom X-SEAL keep out moisture and dirt. LIGHTWEIGHT Full carbon fiber with 3K carbon finish provides a very lightweight design FINISH Your choice of either beautiful bright GLOSS finish or MATTE flat finish with NO Logos. SIZES HUGE selection of sizes from 8-30mm for that perfect fit for your stem height. QUALITY OMNI Racer high quality product design and manufacture PRODUCT SPECIFICATIONS WEIGHTS: (Grams) 8-10mm: 8g13-15mm: 13g18-20mm: 18g23-25mm: 20g28-30mm: 22g DIMENSIONS Inside Diameter: 1 1/8" (28.8mm)Top Outside Diameter: 35.0mmBottom Outside Diameter: 46.0mmIncluded: 4-0.25mm poly spacers may be needed for your particular application. SPACER DIAGRAM RACE-Lite Spacer Set- Glossy RACE-Lite Spacer Set- Matte Buying Options Buying Options Customer Reviews 4.9 out of 5 stars 7 4.4 out of 5 stars 9