2020 Bombtrack Bicycle Company Tempest C

	S	M	L	XL
Stack	518mm	543mm	578mm	597mm
Reach	381mm	384mm	398mm	401mm
Stack to Reach Ratio	1.36:1	1.41:1	1.45:1	1.49:1
Seat Tube Length, C-T	500mm	540mm	580mm	600mm
Top Tube Length, Effective/Horizontal Center	525mm	545mm	575mm	589mm
Top Tube Slope	3.9deg	2.6deg	2.4deg	2.3deg
Head Tube Angle	72deg	73deg	74deg	74deg
Seat Tube Angle	75deg	74deg	73deg	73deg
Head Tube Length	115mm	140mm	175mm	195mm
Bottom Bracket Drop	72mm	69mm	69mm	69mm
Bottom Bracket Height	264mm	267mm	267mm	267mm
Chainstay Length	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	408.7mm	409.2mm	409.2mm	409.2mm
Front-Center	578mm	580mm	600mm	608mm
Front-Center Horizontal	573.3mm	575.8mm	595.8mm	604.8mm
Wheelbase	982mm	985mm	1005mm	1014mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	368mm	368mm	368mm	368mm
Trail	61.9mm mid/neutral	55.7mm mid/neutral	49.5mm mid/neutral	49.5mm mid/neutral
Mechanical Trail	58.8mm	53.2mm	47.6mm	47.6mm
Wheel Flop	18.2mm	15.6mm	13.1mm	13.1mm
Standover Height	751mm	774mm	810mm	828mm
Tire to Pedal Spindle	72mm 170 mm cranks	71.5mm 172.5 mm cranks	89mm 175 mm cranks	97mm 175 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	94.5mm 172.5 mm cranks	92mm 175 mm cranks	92mm 175 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:http://bombtrack.com/2020-tempest-c/

Geometry