2025 Co-Motion Cycles Tumalo Pinion

	XS	S	M	L	XL
Stack	613mm	620mm	632mm	651mm	669mm
Reach	361mm	368mm	374mm	393mm	410mm
Stack to Reach Ratio	1.7:1	1.68:1	1.69:1	1.66:1	1.63:1
Seat Tube Length, C-T	405mm	430mm	460mm	490mm	520mm
Top Tube Length, Effective/Horizontal HT Top	525mm	545mm	560mm	590mm	620mm
Top Tube Slope	25.5deg	23deg	20.7deg	18.8deg	17deg
Head Tube Angle	68deg	68.5deg	69deg	69deg	69deg
Seat Tube Angle	75deg	74deg	73.5deg	73deg	72.5deg
Head Tube Length	110mm	115mm	125mm	145mm	165mm
Bottom Bracket Drop	77mm	77mm	77mm	77mm	77mm
Bottom Bracket Height	295mm	295mm	295mm	295mm	295mm
Chainstay Length	460mm	460mm	460mm	460mm	460mm
Chainstay Length Horizontal	453.5mm	453.5mm	453.5mm	453.5mm	453.5mm
Front-Center	638.2mm	642.1mm	647.1mm	671.9mm	696.8mm
Front-Center Horizontal	633.5mm	637.5mm	642.5mm	667.5mm	692.5mm
Wheelbase	1087mm	1091mm	1096mm	1121mm	1146mm
Fork Offset/Rake	51mm	51mm	51mm	51mm	51mm
Fork Length (Axle-To-Crown)	485mm	485mm	485mm	485mm	485mm
Trail	95.3mm very high	91.7mm very high	88.2mm very high	88.2mm very high	88.2mm very high
Mechanical Trail	88.3mm	85.3mm	82.3mm	82.3mm	82.3mm
Wheel Flop	33.1mm	31.3mm	29.5mm	29.5mm	29.5mm
Standover Height	729mm	749mm	773mm	791mm	821mm
Tire to Pedal Spindle	96.2mm 170 mm cranks	100.2mm 170 mm cranks	105.1mm 170 mm cranks	130mm 170 mm cranks	154.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	125mm 170 mm cranks	125mm 170 mm cranks	125mm 170 mm cranks	125mm 170 mm cranks	125mm 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://co-motion.com/collections/single-bikes/products/tumalo

Geometry