2023 FOCUS Bikes JAM 8.9

	S	M	L	XL
Stack	603mm	613mm	631mm	649mm
Reach	420mm	450mm	480mm	510mm
Stack to Reach Ratio	1.44:1	1.36:1	1.31:1	1.27:1
Seat Tube Length, Unknown	390mm	420mm	450mm	480mm
Top Tube Length, Effective/Horizontal HT Top	558mm	589mm	622mm	655mm
Top Tube Slope	23.6deg	20.4deg	18.3deg	16.3deg
Head Tube Angle	65deg	65deg	65deg	65deg
Seat Tube Angle	76deg	76deg	76deg	76deg
Head Tube Length	90mm	100mm	120mm	140mm
Bottom Bracket Drop	30mm	30mm	30mm	30mm
Bottom Bracket Height	344.5mm	344.5mm	344.5mm	344.5mm
Chainstay Length	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	434mm	434mm	434mm	434mm
Front-Center	736.7mm	770.6mm	808.6mm	847.6mm
Front-Center Horizontal	736mm	770mm	808mm	847mm
Wheelbase	1170mm	1204mm	1242mm	1281mm
Fork Offset/Rake	44.3mm	43.7mm	43.3mm	43.9mm
Trail	125.8mm very high	126.5mm very high	126.9mm very high	126.2mm very high
Mechanical Trail	114mm	114.6mm	115mm	114.4mm
Wheel Flop	48.2mm	48.4mm	48.6mm	48.4mm
Tire to Pedal Spindle	192.2mm 170 mm cranks	226.1mm 170 mm cranks	264.1mm 170 mm cranks	303.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	174.5mm 170 mm cranks	174.5mm 170 mm cranks	174.5mm 170 mm cranks	174.5mm 170 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:https://www.focus-bikes.com/nl_nl/1069599-jam-8-9?color_combo=121878&pim_itemgenderframe=86443&pim_itemframesizecode=119943

Geometry