Velopedia Bicycle Archive

2018 Cannondale F-Si Carbon 1

Original specifications: 29" wheels · geometry for 4 published sizes.

Share owner experience

Selling this bike? Create a shareable bike record

At a glance

Model year
2018
Category
Mountain
Sizes
S (27.5"), M (29"), L (29"), XL (29")
Colors
Jet Black w/ Volt – Satin (BBQ)
Geometry
4 manufacturer sizes
In this record
22 specifications · archived image · geometry
Archive ID
900002667
Model history 1 other year
Original buildCarbon · 29"

Manufacturer catalog

Published sizes and colors

4 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

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

Published colors

Jet Black w/ Volt – Satin (BBQ)

Frameset

Frame ConstructionF-Si, BallisTec Hi-MOD Carbon, SPEED SAVE, PF30A, 1.5 Si Head Tube, Ai Offset, 27.5” (S), 29” (M-XL)
Frame MaterialCarbon
ForkLefty 2.0 Carbon, 2Spring, 100mm, XLR Isolated Damper Technology with XC+ tune and XLoc remote, 55mm offset (29), 50mm offset (27.5)
Fork MaterialCarbon

Drivetrain

ShiftersSRAM X01 Eagle, 12-speed
Rear DerailleurSRAM XX1 Eagle, Type 3 RBC, 12-speed
CranksetTruvativ Stylo Carbon Eagle, BB30, 34T, Ai Custom
Bottom BracketCannondale Alloy PressFit30
Rear CogsSRAM XG-1295 Eagle, 10-50, 12-speed
ChainSRAM Eagle 12 speed

Brakes

BrakesSRAM Level TLM, Centerline Rotors, 180/160mm

Cockpit & Contact Points

HeadsetCannondale HeadShok Si
HandlebarCannondale C1 flat, Carbon, 760mm
StemCannondale C1, 7075 Alloy, 31.8, -5°
SaddleFabric Scoop Flat Race w/ Titanium Rails
SeatpostCannondale SAVE Full Carbon, 20mm Offset, 27.2x400mm

Wheels & Tires

HubsLefty 60 front, C36 by DT-Swiss Rear, Star Ratchet, 135x9mm, 28 hole (Ai Offset dish - Rear), QR
RimsHollowGram 23, Superlight Hi-Impact Carbon, Tubeless Ready, 28hole, 23mm inner
SpokesDT-Swiss Aerolite (Ai Offset dish - Rear)
Front TireSchwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready
Rear TireSchwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready
Wheel Size29"

Geometry

4 sizes · 16 measurements

Frame measurements by size.

All geometry measurements4 sizes · 16 measurements
MeasurementS (27.5")M (29")L (29")XL (29")
Seat tube385 mm435 mm485 mm535 mm
Effective top tube570 mm596 mm622 mm649 mm
Top tube544 mm565 mm590 mm617 mm
Head tube97 mm97 mm110 mm122 mm
Head-tube angle69°69.7°69.8°69.9°
Seat-tube angle73.3°73.2°73.1°73°
Chainstay / rear center425 mm429 mm429 mm429 mm
Wheelbase1072 mm1097 mm1122 mm1147 mm
Bottom-bracket drop45 mm62 mm62 mm62 mm
Bottom-bracket height308 mm308 mm308 mm308 mm
Reach399 mm414 mm435 mm457 mm
Stack569 mm603 mm615 mm628 mm
Standover height737 mm777 mm806 mm837 mm
Fork offset / rake50 mm55 mm55 mm55 mm
Front center656 mm676 mm700 mm725 mm
Trail82 mm78 mm78 mm77 mm

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes34T · 10–50T · 12-speed
Lowest0.68:1 Highest3.40:1 Total range500%
Campaign

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
SRAM Eagle 12 speed
Cassette / rear cogs · Original
SRAM XG-1295 Eagle, 10-50, 12-speed
Front tire · Original
Schwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready
Retailer offers · Affiliate links
Schwalbe Magic Mary Evolution Tubeless Tire - 29in Black, Addix Soft Snakeskin, 29x2.25in

Schwalbe Magic Mary Evolution Tubeless Tire - 29in Black, Addix Soft Snakeskin, 29x2.25in

29x2.25in

Replacement option · verify fit

More parts (3)
Rear derailleur · Original
SRAM XX1 Eagle, Type 3 RBC, 12-speed Search: SRAM XX1 Eagle, Type 3 RBC, 12-speed rear derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Retailer offers · Affiliate links
Shifters · Original
SRAM X01 Eagle, 12-speed Search: SRAM X01 Eagle, 12-speed shifter Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Seatpost · Original
Cannondale SAVE Full Carbon, 20mm Offset, 27.2x400mm
Retailer offers · Affiliate links

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 21 checks based on 6 archived component groups Open checklistClose checklist
0 of 21 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2018 Cannondale F-Si Carbon 1 · Mountain · Published sizes: S (27.5"), M (29"), L (29"), XL (29")

Archived: Frame: F-Si, BallisTec Hi-MOD Carbon, SPEED SAVE, PF30A, 1.5 Si Head Tube, Ai Offset, 27.5” (S), 29” (M-XL) · Fork: Lefty 2.0 Carbon, 2Spring, 100mm, XLR Isolated Damper Technology with XC+ tune and XLoc remote, 55mm offset (29), 50mm offset (27.5) · Carbon

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

Archived: Shifters: SRAM X01 Eagle, 12-speed · Rear derailleur: SRAM XX1 Eagle, Type 3 RBC, 12-speed · Crankset: Truvativ Stylo Carbon Eagle, BB30, 34T, Ai Custom · Bottom bracket: Cannondale Alloy PressFit30 · Rear cogs: SRAM XG-1295 Eagle, 10-50, 12-speed · Chain: SRAM Eagle 12 speed

Archived: Brakes: SRAM Level TLM, Centerline Rotors, 180/160mm

Archived: Wheel size: 29" · Rims: HollowGram 23, Superlight Hi-Impact Carbon, Tubeless Ready, 28hole, 23mm inner · Hubs: Lefty 60 front, C36 by DT-Swiss Rear, Star Ratchet, 135x9mm, 28 hole (Ai Offset dish - Rear), QR · Front tire: Schwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready · Rear tire: Schwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready

Controls and contact points

Archived: Headset: Cannondale HeadShok Si · Handlebar: Cannondale C1 flat, Carbon, 760mm · Stem: Cannondale C1, 7075 Alloy, 31.8, -5° · Seatpost: Cannondale SAVE Full Carbon, 20mm Offset, 27.2x400mm · Saddle: Fabric Scoop Flat Race w/ Titanium Rails

Before and during the test ride

Follow the full used-bike inspection order →

My Garage

Velopedia

Enter your email and Velopedia will send a private sign-in link. No password required.

Have you owned this bike?Help preserve its real-world history by sharing your owner experience.

Share the details that would help another rider understand how this model fits, rides and holds up over time. Velopedia reviews every contribution before publication.

Add fit, maintenance and buyer detailsOptional · five additional fields

Your contribution goes directly to Velopedia’s private review queue. We’ll email an optional confirmation link plus a private edit and withdrawal link, but you do not need to confirm your email before an administrator can review or approve the submission.

Already contributed? Send me a fresh private edit link

For privacy, Velopedia shows the same confirmation whether or not an experience exists.

Checking current listings…

Campaign

Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

Scroll to Top