2018 Masi Bikes Speciale Randonneur 650B Base

	49	51	53	56	58	60
Stack	538mm	554mm	575mm	603mm	620mm	638mm
Reach	353mm	364mm	375mm	393mm	407mm	417mm
Stack to Reach Ratio	1.52:1	1.52:1	1.53:1	1.53:1	1.52:1	1.53:1
Seat Tube Length, C-T	490mm	510mm	530mm	560mm	580mm	600mm
Top Tube Length, Effective/Horizontal Center	504mm	525mm	546mm	577mm	597mm	617mm
Top Tube Slope	7.8deg	7.2deg	7.3deg	6.9deg	6.5deg	6.3deg
Head Tube Angle	72deg	72deg	73deg	73deg	73deg	73deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73deg	73deg	72.5deg
Head Tube Length	101mm	118mm	133mm	163mm	181mm	199mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	269mm	269mm	269mm	269mm	269mm	269mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm
Front-Center	566.1mm	583mm	584mm	609.8mm	629.6mm	644.6mm
Front-Center Horizontal	561.7mm	578.7mm	579.7mm	605.7mm	625.7mm	640.7mm
Wheelbase	986mm	1003mm	1004mm	1030mm	1050mm	1065mm
Fork Offset/Rake	65mm	65mm	65mm	65mm	65mm	65mm
Trail	41.8mm low	41.8mm low	35.7mm low	35.7mm low	35.7mm low	35.7mm low
Mechanical Trail	39.8mm	39.8mm	34.1mm	34.1mm	34.1mm	34.1mm
Wheel Flop	12.3mm	12.3mm	10mm	10mm	10mm	10mm
Standover Height	761mm	778mm	798mm	826mm	844mm	863mm
Tire to Pedal Spindle	57.1mm 170 mm cranks	74mm 170 mm cranks	72.5mm 172.5 mm cranks	95.8mm 175 mm cranks	115.6mm 175 mm cranks	130.6mm 175 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm 170 mm cranks	96.5mm 172.5 mm cranks	94mm 175 mm cranks	94mm 175 mm cranks	94mm 175 mm cranks

	49	51	53	56	58	60
Wheel Size	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD
Tire Width	47mm	47mm	47mm	47mm	47mm	47mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1664mm	1681mm	1682mm	1708mm	1728mm	1743mm
Crank Length	170mm	170mm	172.5mm	175mm	175mm	175mm
Handlebar Width	400mm	420mm	420mm	440mm	440mm	440mm
Stem Length	90mm	100mm	100mm	110mm	110mm	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://masibikes.com/products/speciale-randonneur-650b-2018

Geometry