Shimano Tourney TY-15, bottom-pull/clamp-on 28.6 mm
Rear derailleur
Shimano Tourney TY-15
Crankset
Dotek DK1-70P, 34/42 teeth
Bottom bracket
Chin Haur CH-46
BB shell width
68mm English
Rear cogs
5-speed, 14 - 28 teeth
Chain
KMC UG-50, 1/2 x 3/32"
Pedals
Victor VP-893
Brakes
Brakes
Chang Star 852AT cantilever brakes, aluminum levers
Cockpit & contact points
Headset
1" Victor VP-H83 sealed
Handlebar
Hi-tensile steel
Handlebar extensions
Aluminum
Stem
Hi-tensile steel
Saddle
Scott Junior
Seatpost
Aluminum, 26.0 mm diameter
Wheels & tires
Hubs
Steel, nutted
Rims
Alex VP-20, 36-hole
Spokes
Steel, 2.0mm straight gauge
Spoke nipples
Brass nipples
Front tire
20 x 1.75" Kenda
Wheel size
20" wheels
Geometry · Legacy reference
Top tube
436.9 mm
Head-tube angle
70.3°
Seat-tube angle
71°
Chainstay / rear center
365.8 mm
Wheelbase
868.7 mm
Fork offset / rake
40.6 mm
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 21, 2026.