1994 Bridgestone Cycle Co. RB-2 Base

	50cm	53cm	56cm	57.5cm	59cm	62cm
Stack	499.6mm	527.3mm	551.9mm	566.2mm	579.2mm	607.8mm
Reach	391mm	399mm	407mm	412mm	413mm	419mm
Stack to Reach Ratio	1.28:1	1.32:1	1.36:1	1.37:1	1.4:1	1.45:1
Seat Tube Length, C-T	500mm	530mm	560mm	575mm	590mm	620mm
Seat Tube Length, C-C	485mm	515mm	542mm	557mm	572mm	602mm
Top Tube Length, Effective/Horizontal Center	525mm	545mm	565mm	575mm	585mm	600mm
Top Tube Length, Actual C-C	525mm	545mm	565mm	575mm	585mm	600mm
Top Tube Slope	0deg	0deg	0deg	0deg	0deg	0deg
Head Tube Angle	72.5deg	73deg	73.5deg	73.5deg	74deg	74deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	72.5deg	72.5deg
Bottom Bracket Drop	75mm	75mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	259mm	259mm	264mm	264mm	264mm	264mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	403.1mm	403.1mm	404mm	404mm	404mm	404mm
Front-Center	574.6mm	578.6mm	590.5mm	600.3mm	595.2mm	609.4mm
Front-Center Horizontal	569.9mm	573.9mm	586mm	596mm	591mm	605mm
Wheelbase	973mm	977mm	990mm	1000mm	995mm	1009mm
Fork Offset/Rake	50mm	45mm	45mm	45mm	40mm	40mm
Trail	52.9mm mid/neutral	55.1mm mid/neutral	52mm mid/neutral	52mm mid/neutral	54.2mm mid/neutral	54.2mm mid/neutral
Mechanical Trail	50.4mm	52.7mm	49.9mm	49.9mm	52.1mm	52.1mm
Wheel Flop	15.2mm	15.4mm	14.2mm	14.2mm	14.4mm	14.4mm
Standover Height	747mm	772mm	804mm	818mm	831mm	860mm
Tire to Pedal Spindle	70.6mm 170 mm cranks	74.6mm 170 mm cranks	81.5mm 175 mm cranks	91.3mm 175 mm cranks	86.2mm 175 mm cranks	100.4mm 175 mm cranks
Pedal Spindle to Ground Clearance	89mm 170 mm cranks	89mm 170 mm cranks	89mm 175 mm cranks	89mm 175 mm cranks	89mm 175 mm cranks	89mm 175 mm cranks

	50cm	53cm	56cm	57.5cm	59cm	62cm
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	23mm	23mm	23mm	23mm	23mm	23mm
Tire Width Max	32mm	32mm	32mm	32mm	32mm	32mm
Tire Outer Diameter	668mm	668mm	668mm	668mm	668mm	668mm
Bike Length with Tires	1641mm	1645mm	1658mm	1668mm	1663mm	1677mm
Crank Length	170mm	170mm	175mm	175mm	175mm	175mm
Handlebar Width	390mm	390mm	410mm	410mm	410mm	430mm
Stem Length	80mm	100mm	120mm	120mm	120mm	120mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:https://www.sheldonbrown.com/bridgestone/1994/pages/71.htm

Geometry