2022 Bearclaw Bicycle Co. Thunderhawk 650b Road+

	48	51	52.5	54	55.5	57	58.5	60	62
Stack	549.3mm	558mm	569.4mm	578.8mm	588.3mm	597.7mm	607.1mm	616.6mm	635.5mm
Reach	367.5mm	374.7mm	375.9mm	383mm	390.1mm	397.3mm	404.9mm	411.5mm	433.7mm
Stack to Reach Ratio	1.49:1	1.49:1	1.51:1	1.51:1	1.51:1	1.5:1	1.5:1	1.5:1	1.47:1
Seat Tube Length, Unknown	480mm	510mm	525mm	540mm	555mm	570mm	585mm	600mm	620mm
Top Tube Length, Effective/Horizontal Unknown	525mm	540mm	550mm	560mm	570mm	580mm	590mm	600mm	628mm
Top Tube Slope	10deg	7.6deg	7.3deg	6.6deg	6deg	5.3deg	4.7deg	4.2deg	4deg
Head Tube Angle	69.5deg	70.5deg	71deg	71deg	71deg	71deg	71deg	71deg	71deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	73deg	73deg	73deg	73deg	73deg
Head Tube Length	125mm	130mm	140mm	150mm	160mm	170mm	180mm	190mm	210mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	275.3mm	275.3mm	275.3mm	275.3mm	275.3mm	275.3mm	275.3mm	275.3mm	275.3mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm
Front-Center	603.6mm	603.6mm	603.8mm	614mm	624.4mm	635.4mm	645.6mm	655.4mm	672.9mm
Front-Center Horizontal	599.5mm	599.5mm	599.7mm	610mm	620.4mm	631.5mm	641.8mm	651.6mm	669.2mm
Wheelbase	1023.8mm	1023.8mm	1024mm	1034.3mm	1044.7mm	1055.8mm	1066.1mm	1075.9mm	1093.5mm
Fork Offset/Rake	49mm	49mm	49mm	49mm	49mm	49mm	49mm	49mm	49mm
Fork Length (Axle-To-Crown)	405mm	405mm	405mm	405mm	405mm	405mm	405mm	405mm	405mm
Trail	76.8mm high	70.3mm high	67.1mm high	67.1mm high	67.1mm high	67.1mm high	67.1mm high	67.1mm high	67.1mm high
Mechanical Trail	71.9mm	66.3mm	63.4mm	63.4mm	63.4mm	63.4mm	63.4mm	63.4mm	63.4mm
Wheel Flop	25.2mm	22.1mm	20.7mm	20.7mm	20.7mm	20.7mm	20.7mm	20.7mm	20.7mm
Tire to Pedal Spindle	88.3mm 170 mm cranks	88.3mm 170 mm cranks	86mm 172.5 mm cranks	96.2mm 172.5 mm cranks	106.5mm 172.5 mm cranks	115.1mm 175 mm cranks	125.3mm 175 mm cranks	135mm 175 mm cranks	152.6mm 175 mm cranks
Pedal Spindle to Ground Clearance	105.3mm 170 mm cranks	105.3mm 170 mm cranks	102.8mm 172.5 mm cranks	102.8mm 172.5 mm cranks	102.8mm 172.5 mm cranks	100.3mm 175 mm cranks	100.3mm 175 mm cranks	100.3mm 175 mm cranks	100.3mm 175 mm cranks

	48	51	52.5	54	55.5	57	58.5	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	650B/27.5 in 584 mm BSD
Tire Width	2.1in	2.1in	2.1in	2.1in	2.1in	2.1in	2.1in	2.1in	2.1in
Tire Width Max	2.35in	2.35in	2.35in	2.35in	2.35in	2.35in	2.35in	2.35in	2.35in
Tire Outer Diameter	690.7mm	690.7mm	690.7mm	690.7mm	690.7mm	690.7mm	690.7mm	690.7mm	690.7mm
Bike Length with Tires	1714.5mm	1714.5mm	1714.7mm	1725mm	1735.4mm	1746.5mm	1756.8mm	1766.6mm	1784.2mm
Crank Length	170mm	170mm	172.5mm	172.5mm	172.5mm	175mm	175mm	175mm	175mm
Handlebar Width	40cm	40cm	42cm	42cm	42cm	44cm	44cm	46cm	46cm
Stem Length	70mm	80mm	80mm	90mm	100mm	100mm	110mm	110mm	120mm
Stem Angle	10deg	10deg	10deg	10deg	10deg	10deg	10deg	10deg	10deg

Published Sizing Recommendations

Height

4 ft 11 in

5 ft 3 in

5 ft 6 in

5 ft 5 in

5 ft 8 in

5 ft 7 in

5 ft 10 in

5 ft 9 in

6 ft 0 in

5 ft 11 in

6 ft 2 in

6 ft 1 in

6 ft 4 in

6 ft 3 in

6 ft 6 in

6 ft 5 in

6 ft 8 in

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://bearclawbicycleco.com/thunderhawk/

Suggest Bike Edit

2022 Bearclaw Bicycle Co. Thunderhawk 650b Road+

Geometry

650b Road+ Build

Published Sizing Recommendations

Stack and Reach vs. Category Trend