31lbs (1048g)

HEAD TUBE ANGLE:�75

Bearings are pressed into tapered cups that mate with the angled bores machined into the hub shell

so they are now including Ruben 2

Steerer Length: 173mm

Fly Sierra 18" Frame Size:19mm BB Shell 31lbs (1048g)Fly have adapted their Sergio Layos frame to better suit younger riders, the Sierra is an exact replica of that frame that now perfectly fits riders between 7 to 11 years old. The Sierra utilises 4130 CrMo alloythroughout the frame with Japanese Sanko Triple Butted tubing, CNC machined and heat treated headtube and bottom bracket with invest cast dropouts, seatclamp and seatstays. It's built tough for those riders progressing past more inexpensive