THIS IS A TREK 850 TRAIL/ROAD BICYCLE! 18" STRONG AND LITE CROMOLY FRAME AND FORKS! FOR RIDERS APPROXIMATELY ... 5' to 5' 10" tall. 21-SPEED ALL SHIMANO SHIFTING! WITH SHIMANO SPROCKET AND CRANKS! NEW! - 26" TREK TRAIL/ROAD TIRES ON ALLOY RIMS WITH FRONT AND REAR QUICK RELEASE TIRES! FRON...