2020 Pivot Cycles Mach 4 SL 100mm Fork - 29"

	XS	SM	MD	LG	XL
Stack	580mm	590mm	602mm	612mm	631mm
Reach	405mm	415mm	440mm	460mm	485mm
Stack to Reach Ratio	1.43:1	1.42:1	1.37:1	1.33:1	1.3:1
Seat Tube Length, C-T	356mm	394mm	419mm	457mm	502mm
Top Tube Length, Effective/Horizontal HT Top	57.1mm	58.4mm	61.3mm	63.6mm	66.6mm
Head Tube Angle	68.5deg	68.5deg	68.5deg	68.5deg	68.5deg
Effective Seat Tube Angle, ETT HT Top	74.5deg	74.5deg	74.5deg	74.5deg	74.5deg
Head Tube Length	85mm	95mm	108mm	119mm	140mm
Bottom Bracket Drop	41.9mm	41.9mm	41.9mm	41.9mm	41.9mm
Bottom Bracket Height	325mm	325mm	325mm	325mm	325mm
Chainstay Length	431mm	431mm	431mm	431mm	431mm
Chainstay Length Horizontal	429mm	429mm	429mm	429mm	429mm
Front-Center	665.4mm	678.3mm	708.3mm	732.2mm	765.2mm
Front-Center Horizontal	664mm	677mm	707mm	731mm	764mm
Wheelbase	1093mm	1106mm	1136mm	1160mm	1193mm
Fork Offset/Rake	44mm	44mm	44mm	44mm	44mm
Trail	97.2mm very high	97.2mm very high	97.2mm very high	97.2mm very high	97.2mm very high
Mechanical Trail	90.5mm	90.5mm	90.5mm	90.5mm	90.5mm
Wheel Flop	33.2mm	33.2mm	33.2mm	33.2mm	33.2mm
Standover Height	613mm	652mm	684mm	687mm	711mm
Tire to Pedal Spindle	128.5mm 170 mm cranks	141.5mm 170 mm cranks	171.4mm 170 mm cranks	195.4mm 170 mm cranks	228.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	155mm 170 mm cranks	155mm 170 mm cranks	155mm 170 mm cranks	155mm 170 mm cranks	155mm 170 mm cranks

Published Sizing Recommendations

Height

4 ft 10 in

5 ft 4 in

5 ft 8 in

5 ft 11 in

6 ft 2 in

6 ft 7 in

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://store.pivotcycles.com/en/bike-mach-4-sl-1#techSpecSection