2024 Bossi Bicycles Grit Base

	50	52	54	56	58	60
Stack	543mm	554mm	567mm	586mm	605mm	620mm
Reach	372mm	374mm	381mm	388mm	395mm	401mm
Stack to Reach Ratio	1.46:1	1.48:1	1.49:1	1.51:1	1.53:1	1.55:1
Seat Tube Length, C-C	440mm	465mm	485mm	510mm	530mm	550mm
Top Tube Length, Effective/Horizontal HT Top	526mm	534mm	549mm	564.5mm	583mm	596mm
Head Tube Angle	70.2deg	71deg	71.25deg	71.25deg	71.75deg	72deg
Seat Tube Angle	74.25deg	73.75deg	73.5deg	73.25deg	72.75deg	72.5deg
Head Tube Length	116mm	125mm	140mm	160mm	180mm	195mm
Bottom Bracket Drop	78mm	78mm	76mm	76mm	74mm	74mm
Bottom Bracket Height	273mm	273mm	275mm	275mm	277mm	277mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428mm	428mm	428.3mm	428.3mm	428.7mm	428.7mm
Front-Center	598.5mm	595mm	605mm	619mm	627mm	635mm
Front-Center Horizontal	595.1mm	592.1mm	602.7mm	616.2mm	624.3mm	632.3mm
Wheelbase	1023mm	1020mm	1031mm	1044.5mm	1053mm	1061mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm
Trail	73.2mm high	68mm high	66.4mm high	66.4mm high	63.1mm mid/neutral	61.5mm mid/neutral
Mechanical Trail	68.9mm	64.3mm	62.8mm	62.8mm	59.9mm	58.5mm
Wheel Flop	23.3mm	20.9mm	20.2mm	20.2mm	18.8mm	18.1mm
Tire to Pedal Spindle	77.5mm 170 mm cranks	74mm 170 mm cranks	84mm 170 mm cranks	98mm 170 mm cranks	106mm 170 mm cranks	114mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	103mm 170 mm cranks	105mm 170 mm cranks	105mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks

	50	52	54	56	58	60
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	40mm	40mm	40mm	40mm	40mm	40mm
Tire Outer Diameter	702mm	702mm	702mm	702mm	702mm	702mm
Bike Length with Tires	1725mm	1722mm	1733mm	1746.5mm	1755mm	1763mm

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://bossibicycles.com/collections/gravel/products/grit-titanium-gravel-frameset-1

Geometry