The Proline Pro (XL = 21"TT) is designed for the rider looking to get serious about racing. Proprietary Redline formed 6061-T-6 alloy frame sealed hubs and 100 CrMo butted and tapered race fork for performance and value that is at top of the class. Features: 1-1/8" Integrated headset Machined Euro Threaded BB shell RL Sealed bearing cassette hub and sealed bearing front hub RL Alloy 2pc cranks RL no-padding Pivotal Seat QR seatpost collar and alloy rims wrapped in Vee Speed Booster 20 × 1.95″ Front / 20 × 1.75″ Rear Tires.
Bike Frame Proprietary Alloy Formed and Butted Tubing
Bike Fork Full Chromo With Tapered Legs
Bike Headset Sealed Integrated Headset 1 1/8, Aluminum top cap