2021 Rocky Mountain Altitude Carbon 70

	S (27.5)	M(29)	M(27.5)	L(29)	XL(29)
Stack	601mm	624mm	610mm	638mm	652mm
Reach	423mm	449mm	449mm	474mm	504mm
Stack to Reach Ratio	1.42:1	1.39:1	1.36:1	1.35:1	1.29:1
Seat Tube Length, Effective Unknown	380mm	420mm	420mm	445mm	480mm
Top Tube Length, Effective/Horizontal Unknown	580mm	611mm	607mm	640mm	673mm
Head Tube Angle	100deg	95deg	110deg	110deg	125deg
Seat Tube Angle	74.5deg	74.5deg	74.5deg	74.5deg	74.5deg
Head Tube Length	100mm	95mm	110mm	110mm	125mm
Bottom Bracket Drop	20mm	34mm	19mm	34mm	34mm
Bottom Bracket Height	335.5mm	340.5mm	336.5mm	340.5mm	340.5mm
Chainstay Length	428mm	438mm	428mm	438mm	438mm
Chainstay Length Max	439mm	449mm	439mm	449mm	449mm
Chainstay Length Horizontal	427.5mm	436.7mm	427.6mm	436.7mm	436.7mm
Chainstay Length Horizontal Max	438.5mm	447.7mm	438.6mm	447.7mm	447.7mm
Front-Center	744.7mm	782.1mm	773.7mm	813mm	849mm
Front-Center Horizontal	744.5mm	781.3mm	773.4mm	812.3mm	848.3mm
Wheelbase	1172mm	1218mm	1201mm	1249mm	1285mm
Wheelbase Max	1183mm	1229mm	1212mm	1260mm	1296mm
Fork Offset/Rake	417.5mm	382.5mm	507mm	524.5mm	636.5mm
Trail	-486.6mm	-416.7mm	-668.9mm	-694.5mm	-1039.3mm
Mechanical Trail	-479.2mm	-415.1mm	-628.6mm	-652.6mm	-851.3mm
Wheel Flop	83.2mm	36.2mm	215mm	223.2mm	488.3mm
Standover Height	767mm	813mm	797mm	813mm	813mm
Tire to Pedal Spindle	219.2mm 170 mm cranks	237.6mm 170 mm cranks	248.2mm 170 mm cranks	268.5mm 170 mm cranks	304.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	165.5mm 170 mm cranks	170.5mm 170 mm cranks	166.5mm 170 mm cranks	170.5mm 170 mm cranks	170.5mm 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://geometrygeeks.bike/bike/rocky-mountain-altitude-2021/

Geometry