Bicycle Archive · Specification report

2018 Cannondale F-Si Carbon 3

Velopedia Archive ID 900002665

Overview

Model year	2018
Brand	Cannondale
Model	F-Si Carbon 3
Bicycle type	Mountain
Archive ID	900002665
Colors	Nearly Black w/ Jet Black and Acid Red - Gloss (NBL)
Sizes	S (27.5"), M (29"), L (29"), XL (29")

Frameset

Frame construction	F-Si, BallisTec Carbon, SPEED SAVE, PF30A, 1.5 Si Head Tube, Ai Offset, 27.5” (S), 29” (M-XL)
Frame material	Carbon
Fork	Lefty 2.0 Alloy OPI, 2Spring, 100mm, PBR Isolated Damper Technology with XC+ tune, 55mm offset (29), 50mm offset (27.5)
Fork material	Aluminum

Drivetrain

Shifters	Shimano XT, 2x11
Front derailleur	Shimano XT, direct mount
Rear derailleur	Shimano XT, Shadow Plus, 11-speed
Crankset	Cannondale Si, Ai, BB30, FSA 26/36 rings
Bottom bracket	Cannondale Alloy PressFit30
Rear cogs	Shimano SLX , 11-42, 11-speed
Chain	Shimano CN-HG601, 11-speed
Pedals	N/A

Brakes

Brakes	Magura MT-RACE w/ Storm SL Rotors, 180/160mm

Cockpit & contact points

Headset	Cannondale HeadShok Si
Handlebar	Cannondale C2 flat, Butted AL2014 Alloy, 700mm
Stem	Cannondale C1, 6061 Alloy, 1.5”, 31.8, -5°
Saddle	Prologo Zero II STN Rail
Seatpost	Cannondale C2, 7075 alloy, 27.2mm x 400mm

Wheels & tires

Hubs	Lefty 60 front, Custom Formula 1702 Ai Offset dish - Rear
Rims	Stan’s NoTubes Crest MK3, Tubeless Ready
Spokes	DT-Swiss Competition (Ai Offset dish - Rear)
Front tire	Schwalbe Racing Ralph EVO Performance, 29/27.5x2.1”, Tubeless Ready
Rear tire	Schwalbe Racing Ralph EVO Performance, 29/27.5x2.1”, Tubeless Ready
Wheel size	27.5"

Geometry · S (27.5")

Seat tube	385 mm
Effective top tube	570 mm
Top tube	544 mm
Head tube	97 mm
Head-tube angle	69°
Seat-tube angle	73.3°
Chainstay / rear center	425 mm
Wheelbase	1072 mm
Bottom-bracket drop	45 mm
Bottom-bracket height	308 mm
Reach	399 mm
Stack	569 mm
Standover height	737 mm
Fork offset / rake	50 mm
Front center	656 mm
Trail	82 mm

Geometry · M (29")

Seat tube	435 mm
Effective top tube	596 mm
Top tube	565 mm
Head tube	97 mm
Head-tube angle	69.7°
Seat-tube angle	73.2°
Chainstay / rear center	429 mm
Wheelbase	1097 mm
Bottom-bracket drop	62 mm
Bottom-bracket height	308 mm
Reach	414 mm
Stack	603 mm
Standover height	777 mm
Fork offset / rake	55 mm
Front center	676 mm
Trail	78 mm

Geometry · L (29")

Seat tube	485 mm
Effective top tube	622 mm
Top tube	590 mm
Head tube	110 mm
Head-tube angle	69.8°
Seat-tube angle	73.1°
Chainstay / rear center	429 mm
Wheelbase	1122 mm
Bottom-bracket drop	62 mm
Bottom-bracket height	308 mm
Reach	435 mm
Stack	615 mm
Standover height	806 mm
Fork offset / rake	55 mm
Front center	700 mm
Trail	78 mm

Geometry · XL (29")

Seat tube	535 mm
Effective top tube	649 mm
Top tube	617 mm
Head tube	122 mm
Head-tube angle	69.9°
Seat-tube angle	73°
Chainstay / rear center	429 mm
Wheelbase	1147 mm
Bottom-bracket drop	62 mm
Bottom-bracket height	308 mm
Reach	457 mm
Stack	628 mm
Standover height	837 mm
Fork offset / rake	55 mm
Front center	725 mm
Trail	77 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 8, 2026.