2017 Rivendell Bicycle Works Sam Hillborne Base

	51	55	58	62	64
Stack	540.6mm	580.2mm	610.7mm	651.2mm	672.7mm
Reach	373.8mm	376.2mm	386mm	397.5mm	415.3mm
Stack to Reach Ratio	1.45:1	1.54:1	1.58:1	1.64:1	1.62:1
Seat Tube Length, C-T	510mm	550mm	580mm	620mm	640mm
Top Tube Length, Effective/Horizontal Center	555mm	570mm	590mm	615mm	640mm
Top Tube Length, Actual C-C	539.1mm	553.7mm	573.1mm	597.4mm	621.7mm
Top Tube Slope	6deg	6deg	6deg	6deg	6deg
Head Tube Angle	71deg	72deg	72deg	72deg	72deg
Seat Tube Angle	71.5deg	71.5deg	71.5deg	71.5deg	71.5deg
Bottom Bracket Drop	66mm	78mm	78mm	75mm	75mm
Bottom Bracket Height	271mm	278mm	278mm	281mm	281mm
Chainstay Length	445mm	455mm	455mm	455mm	455mm
Chainstay Length Horizontal	440.1mm	448.3mm	448.3mm	448.8mm	448.8mm
Front-Center	596.1mm	598.9mm	618.5mm	643.5mm	670mm
Front-Center Horizontal	592.4mm	593.8mm	613.6mm	639.1mm	665.8mm
Wheelbase	1032.5mm	1042.1mm	1061.8mm	1087.9mm	1114.6mm
Fork Offset/Rake	52mm	52mm	52mm	52mm	52mm
Trail	61mm mid/neutral	61mm mid/neutral	61mm mid/neutral	61mm mid/neutral	61mm mid/neutral
Mechanical Trail	57.7mm	58mm	58mm	58mm	58mm
Wheel Flop	18.8mm	17.9mm	17.9mm	17.9mm	17.9mm
Tire to Pedal Spindle	89.1mm 170 mm cranks	72.9mm 170 mm cranks	92.5mm 170 mm cranks	117.5mm 170 mm cranks	144mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks

Published Sizing Recommendations

PBH

78 cm

83 cm

87 cm

91 cm

97 cm

—

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://web.archive.org/web/20170602082329/https://www.rivbike.com/pages/geometry (May update)