Bicycle Archive · Specification report

2025 Cannondale Synapse LAB71 Frameset

Velopedia Archive ID 900000145

Overview

Model year	2025
Brand	Cannondale
Model	Synapse LAB71 Frameset
Bicycle type	Road
Archive ID	900000145
Original MSRP	$5,999.00
Colors	Black Marble
Sizes	48; 51; 54; 56; 58; 61

Frameset

Frame construction	LAB71 Synapse Hi-MOD Carbon, Proportional Response construction, integrated cable routing, downtube Stashport, 12x142 thru-axle, UDH, BSA 68mm threaded BB, flat mount disc, integrated seat binder, fender mounts
Frame material	Carbon fiber
Fork	Lab71 Synapse Hi-MOD Carbon, integrated crown race, 12x100mm thru-axle, flat mount disc, internal routing, 1-1/8" to 1-1/5" Delta steerer, 55mm offset, fender mounts
Fork material	Carbon fiber

Cockpit & contact points

Headset	Integrated, 1-1/8" - 1-1/2", w/ integrated spacers
Seatpost	Cannondale C1 Aero 27 Carbon, SmartSense compatible, 330mm length, 0mm offset (44-48cm), 15mm offset (51-61cm)

Wheels & tires

Wheel size	700c

Geometry · 44

Seat tube	407 mm
Effective top tube	522 mm
Top tube	478 mm
Head tube	91 mm
Head-tube angle	69.8°
Seat-tube angle	73°
Chainstay / rear center	425 mm
Wheelbase	1003 mm
Bottom-bracket drop	75 mm
Bottom-bracket height	278 mm
Reach	366 mm
Stack	510 mm
Standover height	714 mm
Fork offset / rake	55 mm
Front center	589 mm
Trail	71 mm
Fork length / axle-to-crown	393 mm
Wheel size	700c

Geometry · 48

Seat tube	407 mm
Effective top tube	533 mm
Top tube	486 mm
Head tube	108 mm
Head-tube angle	70.9°
Seat-tube angle	73°
Chainstay / rear center	425 mm
Wheelbase	1005 mm
Bottom-bracket drop	75 mm
Bottom-bracket height	278 mm
Reach	371 mm
Stack	530 mm
Standover height	722 mm
Fork offset / rake	55 mm
Front center	592 mm
Trail	64 mm
Fork length / axle-to-crown	393 mm
Wheel size	700c

Geometry · 51

Seat tube	443 mm
Effective top tube	544 mm
Top tube	497 mm
Head tube	127 mm
Head-tube angle	71.3°
Seat-tube angle	73°
Chainstay / rear center	425 mm
Wheelbase	1013 mm
Bottom-bracket drop	75 mm
Bottom-bracket height	278 mm
Reach	376 mm
Stack	550 mm
Standover height	752 mm
Fork offset / rake	55 mm
Front center	600 mm
Trail	61 mm
Fork length / axle-to-crown	393 mm
Wheel size	700c

Geometry · 54

Seat tube	480 mm
Effective top tube	555 mm
Top tube	509 mm
Head tube	150 mm
Head-tube angle	71.3°
Seat-tube angle	73°
Chainstay / rear center	425 mm
Wheelbase	1026 mm
Bottom-bracket drop	73 mm
Bottom-bracket height	280 mm
Reach	381 mm
Stack	570 mm
Standover height	785 mm
Fork offset / rake	55 mm
Front center	612 mm
Trail	61 mm
Fork length / axle-to-crown	393 mm
Wheel size	700c

Geometry · 56

Seat tube	520 mm
Effective top tube	567 mm
Top tube	523 mm
Head tube	171 mm
Head-tube angle	71.3°
Seat-tube angle	73°
Chainstay / rear center	430 mm
Wheelbase	1044 mm
Bottom-bracket drop	73 mm
Bottom-bracket height	280 mm
Reach	387 mm
Stack	590 mm
Standover height	815 mm
Fork offset / rake	55 mm
Front center	624 mm
Trail	61 mm
Fork length / axle-to-crown	393 mm
Wheel size	700c

Geometry · 58

Seat tube	550 mm
Effective top tube	580 mm
Top tube	537 mm
Head tube	196 mm
Head-tube angle	71.3°
Seat-tube angle	73°
Chainstay / rear center	430 mm
Wheelbase	1058 mm
Bottom-bracket drop	70 mm
Bottom-bracket height	283 mm
Reach	393 mm
Stack	610 mm
Standover height	843 mm
Fork offset / rake	55 mm
Front center	638 mm
Trail	61 mm
Fork length / axle-to-crown	393 mm
Wheel size	700c

Geometry · 61

Seat tube	590 mm
Effective top tube	598 mm
Top tube	556 mm
Head tube	227 mm
Head-tube angle	71.3°
Seat-tube angle	73°
Chainstay / rear center	430 mm
Wheelbase	1077 mm
Bottom-bracket drop	70 mm
Bottom-bracket height	283 mm
Reach	402 mm
Stack	640 mm
Standover height	878 mm
Fork offset / rake	55 mm
Front center	657 mm
Trail	61 mm
Fork length / axle-to-crown	393 mm
Wheel size	700c

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.