2023 FOCUS Bikes JAM 8.9

Design
Flat Bar, Full suspension
Frame
Carbon/Composite
Suspension
150mm fork travel, 150mm rear travel
Features
Disc brake
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

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

8.9 Build

S
M
L
XL
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
Tire Width
2.5in
2.5in
2.5in
2.5in
Tire Outer Diameter
749mm
749mm
749mm
749mm
Bike Length with Tires
1919mm
1953mm
1991mm
2030mm
Crank Length
170mm
170mm
170mm
170mm
Handlebar Width
780mm
780mm
780mm
780mm
Stem Length
50mm
50mm
50mm
50mm

Stack and Reach vs. Category Trend

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
Source:https://www.focus-bikes.com/nl_nl/1069599-jam-8-9?color_combo=121878&pim_itemgenderframe=86443&pim_itemframesizecode=119943