2021 Mason Cycles RAW Base

	S	M	L	XL
Stack	610.3mm	619.4mm	628.5mm	637.7mm
Reach	426mm	451.2mm	471mm	494.3mm
Stack to Reach Ratio	1.43:1	1.37:1	1.33:1	1.29:1
Seat Tube Length, C-T	395mm	430mm	470mm	505mm
Seat Tube Length, C-C	355mm	380mm	420mm	445mm
Top Tube Length, Effective/Horizontal Center	577.7mm	606mm	628.4mm	654mm
Top Tube Length, Actual C-C	565.5mm	588.4mm	606.6mm	630.4mm
Top Tube Slope	24.3deg	20.8deg	15deg	15deg
Head Tube Angle	66deg	66deg	66deg	66deg
Seat Tube Angle	75deg	75deg	75deg	75deg
Head Tube Length	100mm	110mm	120mm	130mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm
Bottom Bracket Height	317mm	317mm	317mm	317mm
Chainstay Length	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	430.8mm	430.8mm	430.8mm	430.8mm
Front-Center	722mm	751.9mm	775.8mm	803mm
Front-Center Horizontal	720.4mm	749.5mm	773.5mm	800.8mm
Wheelbase	1151.2mm	1180.3mm	1204.3mm	1231.6mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Fork Length, Unknown	530mm	530mm	530mm	530mm
Trail	118.6mm very high	118.6mm very high	118.6mm very high	118.6mm very high
Mechanical Trail	108.4mm	108.4mm	108.4mm	108.4mm
Wheel Flop	44.1mm	44.1mm	44.1mm	44.1mm
Standover Height	735mm	758mm	790mm	820mm
Tire to Pedal Spindle	175mm 170 mm cranks	204.9mm 170 mm cranks	228.8mm 170 mm cranks	256mm 170 mm cranks
Pedal Spindle to Ground Clearance	147mm 170 mm cranks	147mm 170 mm cranks	147mm 170 mm cranks	147mm 170 mm cranks

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://masoncycles.cc/products/raw-frameset-fork

Geometry