2020 J.Laverack Bicycles GRiT Base (650b wheels)

	48	50	52	54	56	58	60	62
Stack	538mm	549.3mm	570.2mm	589.1mm	598.6mm	614.9mm	629.1mm	640.7mm
Reach	355mm	361mm	367mm	373mm	379mm	385mm	391mm	397mm
Stack to Reach Ratio	1.52:1	1.52:1	1.55:1	1.58:1	1.58:1	1.6:1	1.61:1	1.61:1
Seat Tube Length, C-T	470mm	490mm	510mm	530mm	550mm	570mm	590mm	610mm
Top Tube Length, Effective/Horizontal HT Top	519.5mm	529mm	541.3mm	553.1mm	562mm	573mm	583.4mm	592.9mm
Top Tube Length, Actual C-C	499.3mm	509mm	520.6mm	532.2mm	542.1mm	553mm	564mm	574.3mm
Top Tube Slope	10.2deg	9.1deg	9.1deg	8.9deg	7.7deg	7.2deg	6.6deg	5.7deg
Head Tube Angle	70.5deg	71deg	71.5deg	71.5deg	71.5deg	72deg	72deg	72.5deg
Seat Tube Angle	73deg	73deg	73deg	73deg	73deg	73deg	73deg	73deg
Head Tube Length	115mm	125mm	145mm	165mm	175mm	190mm	205mm	215mm
Bottom Bracket Drop	73mm	73mm	73mm	73mm	73mm	73mm	73mm	73mm
Bottom Bracket Height	269mm	269mm	269mm	269mm	269mm	269mm	269mm	269mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428.8mm	428.8mm	428.8mm	428.8mm	428.8mm	428.8mm	428.8mm	428.8mm
Front-Center	577.3mm	582.5mm	590.6mm	602.9mm	612mm	618mm	628.5mm	632.6mm
Front-Center Horizontal	572.7mm	577.9mm	586.1mm	598.5mm	603.9mm	613.7mm	624.3mm	628.5mm
Wheelbase	1001.5mm	1006.7mm	1014.9mm	1027.3mm	1032.7mm	1042.5mm	1053.1mm	1057.3mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	395mm	395mm	395mm	395mm	395mm	395mm	395mm	395mm
Trail	68.1mm high	64.9mm mid/neutral	61.7mm mid/neutral	61.7mm mid/neutral	61.7mm mid/neutral	58.6mm mid/neutral	58.6mm mid/neutral	55.4mm mid/neutral
Mechanical Trail	64.2mm	61.3mm	58.5mm	58.5mm	58.5mm	55.7mm	55.7mm	52.8mm
Wheel Flop	21.4mm	20mm	18.6mm	18.6mm	18.6mm	17.2mm	17.2mm	15.9mm
Tire to Pedal Spindle	70.3mm 165 mm cranks	75.5mm 165 mm cranks	78.6mm 170 mm cranks	88.4mm 172.5 mm cranks	97.5mm 172.5 mm cranks	101mm 175 mm cranks	111.5mm 175 mm cranks	113.1mm 177.5 mm cranks
Pedal Spindle to Ground Clearance	104mm 165 mm cranks	104mm 165 mm cranks	99mm 170 mm cranks	96.5mm 172.5 mm cranks	96.5mm 172.5 mm cranks	94mm 175 mm cranks	94mm 175 mm cranks	91.5mm 177.5 mm cranks

	48	50	52	54	56	58	60	62
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	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD
Tire Width	50mm	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Tire Width Max	50mm	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Tire Outer Diameter	684mm	684mm	684mm	684mm	684mm	684mm	684mm	684mm
Bike Length with Tires	1685.5mm	1690.7mm	1698.9mm	1711.3mm	1716.7mm	1726.5mm	1737.1mm	1741.3mm
Crank Length	165mm	165mm	170mm	172.5mm	172.5mm	175mm	175mm	177.5mm
Handlebar Width	380mm	400mm	400mm	420mm	420mm	420mm	440mm	440mm
Stem Length	80mm	80mm	80mm	90mm	90mm	90mm	100mm	100mm

Published Sizing Recommendations

Height

152 cm

158 cm

156 cm

164 cm

162 cm

170 cm

168 cm

178 cm

174 cm

184 cm

180 cm

188 cm

186 cm

194 cm

192 cm

200 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.

Learn more about the Upright/Aggressive Scale

Category Trend

All-road/Gravel

Source:https://www.jlaverack.co.uk/grit-range/#1540986892838-cef75720-7da7

Suggest Bike Edit

2020 J.Laverack Bicycles GRiT Base (650b wheels)

Geometry

Base (650b wheels) Build

Published Sizing Recommendations

Stack and Reach vs. Category Trend