Bicycle comparison

Specification	2019 Cannondale F-Si Carbon 1	2018 Cannondale F-Si Carbon 1
Overview
Model year	2019	2018
Brand	Cannondale	Cannondale
Model	F-Si Carbon 1	F-Si Carbon 1
Bicycle type	Mountain	Mountain
Archive ID	900002808	900002667
Colors	Black Pearl w/ Graphite and Chrome - Gloss (BLK)	Jet Black w/ Volt – Satin (BBQ)
Sizes	S, M, L, XL	S (27.5"), M (29"), L (29"), XL (29")
Frameset
Frame construction	ALL-NEW F-Si, Hi-MOD BallisTec Carbon, SAVE, PF30A, tapered head tube, Speed Release 12mm thru axle, Ai Offset	F-Si, BallisTec Hi-MOD Carbon, SPEED SAVE, PF30A, 1.5 Si Head Tube, Ai Offset, 27.5” (S), 29” (M-XL)
Frame material	Carbon	Carbon
Fork	ALL-NEW Lefty Ocho Carbon, 29”, 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 55mm offset	Lefty 2.0 Carbon, 2Spring, 100mm, XLR Isolated Damper Technology with XC+ tune and XLoc remote, 55mm offset (29), 50mm offset (27.5)
Fork material	Carbon	Carbon
Drivetrain
Shifters	SRAM X01 Eagle, 12-speed	SRAM X01 Eagle, 12-speed
Front derailleur	—	N/A
Rear derailleur	SRAM XX1 Eagle	SRAM XX1 Eagle, Type 3 RBC, 12-speed
Crankset	Truvativ Stylo Carbon, 34T, Ai Custom	Truvativ Stylo Carbon Eagle, BB30, 34T, Ai Custom
Bottom bracket	Cannondale Alloy PressFit30	Cannondale Alloy PressFit30
Rear cogs	SRAM XG-1295, X01 Eagle, 10-50, 12-speed	SRAM XG-1295 Eagle, 10-50, 12-speed
Chain	SRAM GX Eagle, 12-speed	SRAM Eagle 12 speed
Pedals	Not Included	N/A
Brakes
Brakes	SRAM Level TLM hydro disc, 160/160mm Centerline rotors	SRAM Level TLM, Centerline Rotors, 180/160mm
Cockpit & contact points
Headset	Integrated, 1-1/8 to 1.5”, sealed angular contact bearings (Integrated steer stop size small only)	Cannondale HeadShok Si
Handlebar	Cannondale C1 Flat, Carbon, 8° sweep, 760mm	Cannondale C1 flat, Carbon, 760mm
Stem	Cannondale C1, 7075 Alloy, 1-1/8”, 31.8, 7°	Cannondale C1, 7075 Alloy, 31.8, -5°
Saddle	Fabric Scoop Flat Race, ti rails	Fabric Scoop Flat Race w/ Titanium Rails
Seatpost	Cannondale C1 Full Carbon, 27.2 x 350/400mm	Cannondale SAVE Full Carbon, 20mm Offset, 27.2x400mm
Wheels & tires
Hubs	Lefty 60 front, HollowGram 12x148 rear w/ DT Swiss internals	Lefty 60 front, C36 by DT-Swiss Rear, Star Ratchet, 135x9mm, 28 hole (Ai Offset dish - Rear), QR
Rims	HollowGram 23, Superlight Hi-Impact Carbon, tubeless ready, 28h, 23mm inner width	HollowGram 23, Superlight Hi-Impact Carbon, Tubeless Ready, 28hole, 23mm inner
Spokes	HollowGram, double-butted straight pull (Ai Offset dish - rear)	DT-Swiss Aerolite (Ai Offset dish - Rear)
Front tire	Schwalbe Racing Ray 29 x 2.25” front, Racing Ralph 2.25” rear, Snake Skin Addix Speedgrip Compound, tubeless ready	Schwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready
Rear tire	Schwalbe Racing Ray 29 x 2.25” front, Racing Ralph 2.25” rear, Snake Skin Addix Speedgrip Compound, tubeless ready	Schwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready
Wheel size	29"	29"

Specification

2019 Cannondale F-Si Carbon 1

2018 Cannondale F-Si Carbon 1

Overview

Model year

2019

2018

Brand

Cannondale

Model

F-Si Carbon 1

Bicycle type

Mountain

Archive ID

900002808

900002667

Colors

Black Pearl w/ Graphite and Chrome - Gloss (BLK)

Jet Black w/ Volt – Satin (BBQ)

Sizes

S, M, L, XL

S (27.5"), M (29"), L (29"), XL (29")

Frameset

Frame construction

ALL-NEW F-Si, Hi-MOD BallisTec Carbon, SAVE, PF30A, tapered head tube, Speed Release 12mm thru axle, Ai Offset

F-Si, BallisTec Hi-MOD Carbon, SPEED SAVE, PF30A, 1.5 Si Head Tube, Ai Offset, 27.5” (S), 29” (M-XL)

Frame material

Carbon

Fork

ALL-NEW Lefty Ocho Carbon, 29”, 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 55mm offset

Lefty 2.0 Carbon, 2Spring, 100mm, XLR Isolated Damper Technology with XC+ tune and XLoc remote, 55mm offset (29), 50mm offset (27.5)

Fork material

Carbon

Drivetrain

Shifters

SRAM X01 Eagle, 12-speed

Front derailleur

—

N/A

Rear derailleur

SRAM XX1 Eagle

SRAM XX1 Eagle, Type 3 RBC, 12-speed

Crankset

Truvativ Stylo Carbon, 34T, Ai Custom

Truvativ Stylo Carbon Eagle, BB30, 34T, Ai Custom

Bottom bracket

Cannondale Alloy PressFit30

Rear cogs

SRAM XG-1295, X01 Eagle, 10-50, 12-speed

SRAM XG-1295 Eagle, 10-50, 12-speed

Chain

SRAM GX Eagle, 12-speed

SRAM Eagle 12 speed

Pedals

Not Included

N/A

Brakes

SRAM Level TLM hydro disc, 160/160mm Centerline rotors

SRAM Level TLM, Centerline Rotors, 180/160mm

Cockpit & contact points

Headset

Integrated, 1-1/8 to 1.5”, sealed angular contact bearings (Integrated steer stop size small only)

Cannondale HeadShok Si

Handlebar

Cannondale C1 Flat, Carbon, 8° sweep, 760mm

Cannondale C1 flat, Carbon, 760mm

Stem

Cannondale C1, 7075 Alloy, 1-1/8”, 31.8, 7°

Cannondale C1, 7075 Alloy, 31.8, -5°

Saddle

Fabric Scoop Flat Race, ti rails

Fabric Scoop Flat Race w/ Titanium Rails

Seatpost

Cannondale C1 Full Carbon, 27.2 x 350/400mm

Cannondale SAVE Full Carbon, 20mm Offset, 27.2x400mm

Wheels & tires

Hubs

Lefty 60 front, HollowGram 12x148 rear w/ DT Swiss internals

Lefty 60 front, C36 by DT-Swiss Rear, Star Ratchet, 135x9mm, 28 hole (Ai Offset dish - Rear), QR

Rims

HollowGram 23, Superlight Hi-Impact Carbon, tubeless ready, 28h, 23mm inner width

HollowGram 23, Superlight Hi-Impact Carbon, Tubeless Ready, 28hole, 23mm inner

Spokes

HollowGram, double-butted straight pull (Ai Offset dish - rear)

DT-Swiss Aerolite (Ai Offset dish - Rear)

Front tire

Schwalbe Racing Ray 29 x 2.25” front, Racing Ralph 2.25” rear, Snake Skin Addix Speedgrip Compound, tubeless ready

Schwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready

Rear tire

Schwalbe Racing Ray 29 x 2.25” front, Racing Ralph 2.25” rear, Snake Skin Addix Speedgrip Compound, tubeless ready

Schwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready

Wheel size

29"

Geometry comparison

One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.

Measurement	2019 Cannondale F-Si Carbon 1	2018 Cannondale F-Si Carbon 1
Selected size / position	M (29“)	M (29")
Reach	420 mm	414 mm
Stack	612 mm	603 mm
Effective top tube	606 mm	596 mm
Head-tube angle	69°	69.7°
Seat-tube angle	73.1°	73.2°
Seat tube	430 mm	435 mm
Head tube	101 mm	97 mm
Chainstay / rear center	427 mm	429 mm
Wheelbase	1110 mm	1097 mm
Bottom-bracket drop	62 mm	62 mm
Bottom-bracket height	308 mm	308 mm
Standover height	793 mm	777 mm
Fork offset / rake	55 mm	55 mm
Front center	691 mm	676 mm
Trail	82 mm	78 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 6, 2026.