Bicycle Archive · Specification report

2020 Cannondale CAAD Optimo Claris Flatbar

Velopedia Archive ID 900003032

Overview

Model year	2020
Brand	Cannondale
Model	CAAD Optimo Claris Flatbar
Bicycle type	Road
Archive ID	900003032
Colors	Black (BLK)
Sizes	48, 51, 54, 56, 58, 60, 63

Frameset

Frame construction	SmartForm C2 Alloy, SAVE, tapered headtube, fender mounts
Frame material	Aluminum
Fork	Full Carbon, 1-1/8” to 1-1/4” steerer, fender mounts
Fork material	Carbon

Drivetrain

Shifters	Tbd
Front derailleur	Tbd
Rear derailleur	Shimano Claris
Crankset	Tbd
Bottom bracket	Tange Cartridge
Rear cogs	Sunrace 11-32, 8-speed
Chain	KMC Z51, 8-speed
Pedals	Wellgo w/ Clip and Strap

Brakes

Brakes	Promax RC-476

Cockpit & contact points

Headset	Tbd
Stem	Cannondale 4, 6061 Alloy, 31.8, 6°
Saddle	Cannondale Stage Ergo

Wheels & tires

Hubs	(F) Formula RB-31 / (R) Formula RB-32
Rims	RS 2.0, 24h front, 28h rear
Spokes	Tbd

Geometry · 48

Seat tube	487 mm
Effective top tube	510 mm
Head tube	107 mm
Head-tube angle	71.5°
Seat-tube angle	74.7°
Chainstay / rear center	405 mm
Wheelbase	963 mm
Bottom-bracket drop	74 mm
Bottom-bracket height	268 mm
Reach	369 mm
Stack	518 mm
Standover height	742 mm
Fork offset / rake	45 mm
Front center	569 mm
Trail	67 mm

Geometry · 51

Seat tube	530 mm
Effective top tube	528 mm
Head tube	120 mm
Head-tube angle	72.3°
Seat-tube angle	74.3°
Chainstay / rear center	405 mm
Wheelbase	970 mm
Bottom-bracket drop	74 mm
Bottom-bracket height	268 mm
Reach	378 mm
Stack	533 mm
Standover height	760 mm
Fork offset / rake	45 mm
Front center	576 mm
Trail	62 mm

Geometry · 54

Seat tube	559 mm
Effective top tube	547 mm
Head tube	139 mm
Head-tube angle	72.9°
Seat-tube angle	73.8°
Chainstay / rear center	405 mm
Wheelbase	980 mm
Bottom-bracket drop	72 mm
Bottom-bracket height	271 mm
Reach	387 mm
Stack	551 mm
Standover height	787 mm
Fork offset / rake	45 mm
Front center	586 mm
Trail	58 mm

Geometry · 56

Seat tube	576 mm
Effective top tube	561 mm
Head tube	155 mm
Head-tube angle	73.1°
Seat-tube angle	73.5°
Chainstay / rear center	405 mm
Wheelbase	989 mm
Bottom-bracket drop	72 mm
Bottom-bracket height	271 mm
Reach	393 mm
Stack	566 mm
Standover height	802 mm
Fork offset / rake	45 mm
Front center	595 mm
Trail	57 mm

Geometry · 58

Seat tube	594 mm
Effective top tube	575 mm
Head tube	175 mm
Head-tube angle	73.2°
Seat-tube angle	73.2°
Chainstay / rear center	405 mm
Wheelbase	1000 mm
Bottom-bracket drop	69 mm
Bottom-bracket height	273 mm
Reach	399 mm
Stack	583 mm
Standover height	822 mm
Fork offset / rake	45 mm
Front center	605 mm
Trail	56 mm

Geometry · 60

Seat tube	615 mm
Effective top tube	591 mm
Head tube	195 mm
Head-tube angle	73.3°
Seat-tube angle	72.9°
Chainstay / rear center	407 mm
Wheelbase	1013 mm
Bottom-bracket drop	69 mm
Bottom-bracket height	273 mm
Reach	405 mm
Stack	603 mm
Standover height	841 mm
Fork offset / rake	45 mm
Front center	616 mm
Trail	56 mm

Geometry · 63

Seat tube	635 mm
Effective top tube	607 mm
Head tube	219 mm
Head-tube angle	73.4°
Seat-tube angle	72.6°
Chainstay / rear center	409 mm
Wheelbase	1027 mm
Bottom-bracket drop	69 mm
Bottom-bracket height	273 mm
Reach	411 mm
Stack	626 mm
Standover height	862 mm
Fork offset / rake	45 mm
Front center	628 mm
Trail	55 mm

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