Tommaso Tiempo Endurance Aluminum Road Bike, Carbon Fork, Shimano Sora, 18 Speeds, Aero Wheels DURABLE AND RELIABLE: Lightweight Aluminum Compact Frame combined with a High Modulus Carbon Fiber Fork for maximum road vibration dampening and comfort, backed up with our industry leading Lifetime Frame & Fork Warranty. Frame is also drilled for all varieties of racks and fenders, providing additional riding versatility POWERFUL PEFORMANCE & SPEED: 2x9 Shimano Sora Groupset, featuring a 50/34T Sora crankset and 11x30T Sora cassette, the Tiempo will give you seamless performance when the road gets steep and on demand speed on the flats PRECISION SHIFTING: Shimano Sora STI shifters offer precision shifting, that works flawlessly with the full Sora groupset, for incredible performance that the competition cant match OPTIMIZED FIT FOR ADDED COMFORT: Compact frame geometry and premium compact handlebars offer increased power and comfort in a sleek package. By assuring optimal geometry and body positioning, riders can increase speed and endurance, allowing for longer and faster rides than ever before. PROFESSIONAL ASSEMBLY REQUIRED: To ensure optimal performance and to validate the warranties of your new bike we recommend that you have it professionally assembled before riding.