Once your kids have some laps under their belts and they’re ready to get more serious about racing, the Redline Proline Expert is ready to take them to the next level. Offering great performance and high quality at a mid-level price, the Proline Expert is made with a Redline proprietary aluminum alloy frame with a sealed Euro bottom bracket, aluminum 2-piece cranks, and sealed hubs. The 100 percent chromoly steel race fork with tapered legs helps young riders manouevre the Proline Expert more easily. The pivotal race saddle with no padding looks and acts the part at the start line. Fits riders 60 to 64 inches tall.
Specifications Frame - Proprietary alloy formed and butted tubing Fork - Full Cr-Mo with tapered legs Headset - Sealed integrated headset 1 1/8, aluminum top cap Cranks - Aluminum 2 Piece 165mm cranks Sprocket - 39T, alloy, 104 BCD Bottom Bracket - Sealed Euro BB Cogset - 15T Chain - KMC Z6 Front Hub - Redline aluminum fully sealed Rear Hub - Redline aluminum, cassette, fully sealed Spokes - Stainless 14g, black Rims - A-M6 alloy 'Race', 20 X 1.5, 32h Tyres - Vee 'Speed Booster', 20 X 1.95" Front / 20 X 1.75" Rear Brake Levers - Tektro '316A' linear Pedals - Aluminum 9/16" platform Handlebar - RL 'Expert' aluminum, 5.5" rise / 10° back / 2° up Grips - RL 'Pro' hex grips Stem - RL aluminum hollow point Seat - Pivotal no padding Seatpost - Aluminum pivotal 26.8mm Extras - Chain tensioners Brakes - Tektro '930AL' linear
Geometry Frame Size - 20" Bike Top Tube Length - 19.5 " Bike Head Angle - 73.0 ° Bike Seat Angle - 69.0 ° Bike Chain Stay Length - 13.25 " Bike Bb Height - 11.0 " Bike Stem Length - 50.0 mm Bike Handlebar Width - 26.0 " Bike Crank Length - 170.0 mm