Chromoly main triangle/hi-tensile steel rear stays
Fork
Akisu
Fork material
Hi-tensile steel, unicrown crown
Rear shock
N/A
Drivetrain
Component group
Shimano MJ-II
Shifters
Grip Shift Quickshift
Front derailleur
Shimano MJ-II top-swing, bottom-pull/clamp-on 28.6 mm
Rear derailleur
Shimano MJ-II
Crankset
Shimano MJ-II, 24/32/38 teeth
Bottom bracket
Tien Hsin TH-M2, 116 mm spindle
BB shell width
68mm English
Rear cogs
6-speed, 11 - 24 teeth
Chain
KMC UG-50, 1/2 x 3/32"
Pedals
Wellgo LU-943
Brakes
Brakes
Jo-Ying 990A brakes, Tektro 367AP levers
Cockpit & contact points
Headset
1" Tien Hsin TH-K2
Handlebar
Steel
Handlebar extensions
Not included
Stem
Steel
Saddle
Jamis MTB
Seatpost
Pillar, 26.8 mm diameter
Wheels & tires
Rims
Alex VP-20, 36-hole
Spokes
Stainless steel, 2.0mm straight gauge
Spoke nipples
Brass nipples
Front tire
24 x 2.00" Duro Diamond Grip
Wheel size
24" wheels
Geometry · Legacy reference
Top tube
520.7 mm
Head-tube angle
70°
Seat-tube angle
72°
Chainstay / rear center
406.4 mm
Wheelbase
985.5 mm
Fork offset / rake
44.4 mm
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.