Mountain Bike Specs

Bottom bracket width- 73mm Bottom bracket thread – BSA Bottom bracket spindle length – 112 mm Head tube inside diameter – 34mm- for 1 1/8″ forks Suspension Fork length – 430mm Fork offset – 40mm Chain stays length – 425mm Wheels – 26″ Chain stays clearance – 70mm Distance between rear dropouts – 135mm Front derailleur clamp inside diameter – 34.9mm Seat post clamp inside diameter – 34.9 mm Replaceable rear derailleur hanger Titanium rear brake posts Seat post 27.2mm

FRAMES GEOMETRY

Frame size	Seat tube, mm (c-top)	Top tube, mm (c-c)	Wheel base, mm	Head tube angle, degree	Seat tube angle, degree	Bottom bracket drop, mm	Head tube, mm
15″	381	540	1035	71.0	73.0	38	120.0
17″	432	565	1063	71.0	73.0	38	120.0
19″	483	590	1082	71.0	72.5	32	120.0
21″	533	615	1100	71.0	72.5	32	155.0

Frame size = distance from bottom bracket center to seat tube top.

 

TUBES PROFILES/SIZES (in mm)

Frame size	Down tube (oval)	Seat tube	Top tube (oval/round)	Head tube	Bottom bracket	Chain stays (oval & con.)	Seat stays (oval & con.)
15″	62×38	34.8×1.9	51×32	42×33.9	42	32×16-17×16	27×16-17×16
17″	62×38	34.8×1.9	51×32	42×33.9	42	32×16-17×16	27×16-17×16
19″	75×38	34.8×1.9	62×38	42×33.9	42	32×16-17×16	27×16-17×16
21″	75×38	34.8×1.9	62×38	42×33.9	42	32×16-17×16	27×16-17×16

Down tubes are butted. Down tubes on “elite” models are wider at the bottom for a better forces distribution.

THE AVERAGE WEIGHT OF THE FRAMES

Frame size	Weight, g	Weight, lb.
15″ Team	1210	2.67
17″ Team	1270	2.80
19″ Team	1370	3.02
21″ Team	1450	3.19
15″ Elite	1190	2.62
17″ Elite	1220	2.69