Shimano STX-RC top-swing, top-pull/clamp-on 28.6 mm
Rear derailleur
Shimano STX-RC
Crankset
Shimano STX-RC, 22/32/42 teeth
Bottom bracket
Shimano BB-LP26, 110 mm spindle
BB shell width
68mm English
Rear cogs
7-speed, 11 - 28 teeth
Chain
KMC UG-50, 1/2 x 3/32"
Pedals
Not included
Brakes
Brakes
Shimano STX M-System brakes, Shimano STX levers
Cockpit & contact points
Headset
1 1/8" threadless Dia-Compe Kontak Aheadset ST-2
Handlebar
Fly Uphill
Handlebar extensions
Not included
Stem
Fly Pop Top
Saddle
Specialized Prolong Evolution Sport
Seatpost
Fly Stout Boy, 26.4 mm diameter
Wheels & tires
Hubs
Shimano STX
Rims
Sun Rims CR18, 32-hole
Spokes
Wheelsmith stainless steel, 2.0mm double butted
Spoke nipples
Brass nipples
Front tire
26 x 2.10" Fly Accelerator
Wheel size
26" wheels
Geometry · Legacy reference
Top tube
574 mm
Head-tube angle
71°
Seat-tube angle
73°
Chainstay / rear center
425.4 mm
Wheelbase
1043.9 mm
Fork offset / rake
38.1 mm
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 30, 2026.