Session AL (Downhill) 2025

Downhill

Geometry by size

Swipe sideways for more sizes

Measurement	1 High	1 Low	2 High	2 Low	3 High	3 Low
Frame geometry
Stack	634 mm	639 mm	634 mm	639 mm	634 mm	639 mm
Reach	447 mm	440 mm	472 mm	465 mm	499 mm	493 mm
Stack / Reach	1.42	1.45	1.34	1.37	1.27	1.30
Head tube angle	63.6°	63°	63.6°	63°	63.6°	63°
Seat tube angle (effective)	77.1°	76.5°	77.1°	76.5°	77.1°	76.5°
Seat tube angle (actual)	—	—	—	—	—	—
Top tube (effective)	586 mm	587 mm	617 mm	618 mm	652 mm	653 mm
Head tube length	117 mm	117 mm	117 mm	117 mm	117 mm	117 mm
Seat tube length	425 mm	425 mm	425 mm	425 mm	425 mm	425 mm
Bottom bracket drop	12 mm	21 mm	12 mm	21 mm	12 mm	21 mm
Bottom bracket height	359 mm	350 mm	359 mm	350 mm	359 mm	350 mm
Chainstay	435 mm	439 mm	441 mm	445 mm	448 mm	452 mm
Front center	808.3 mm	807.8 mm	833.2 mm	832.8 mm	861.2 mm	860.7 mm
Wheelbase	1243 mm	1246 mm	1274 mm	1277 mm	1309 mm	1312 mm
Fork rake (offset)	46 mm	46 mm	46 mm	46 mm	46 mm	46 mm
Fork axle to crown	—	—	—	—	—	—
Trail	131 mm	136 mm	131 mm	136 mm	132 mm	136 mm
Standover	755 mm	747 mm	759 mm	751 mm	757 mm	749 mm
Pad / effective stack	—	—	—	—	—	—
Pad / effective reach	—	—	—	—	—	—
Cockpit
Grip reach	—	—	—	—	—	—
Grip stack	—	—	—	—	—	—
Stem length	—	—	—	—	—	—
Spacer height	—	—	—	—	—	—
Bar reach	—	—	—	—	—	—
Bar drop	—	—	—	—	—	—
Bar flare	—	—	—	—	—	—
Handlebar width	—	—	—	—	—	—
Components (informational)
Crank length	—	—	—	—	—	—
Saddle width	—	—	—	—	—	—
Seatpost length	—	—	—	—	—	—
Tire clearance	—	—	—	—	—	—
Front travel	—	—	—	—	—	—
Rear travel	—	—	—	—	—	—

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