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Cannondale F-Si Carbon 2


F-Si Carbon 2

Acid Green
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  • This item may only be purchased in person at one of our retail locations. We cannot ship this item.
Product Rating
5.0 stars
 (2 Reviews)

2018 Cannondale F-Si Carbon 2

The F-Si Carbon 2 is a hardtail like no other. Designed to let you out-kick them on the climbs and out-rip them on the descents, this ultralight rocket is your ticket to the top of the podium. Equipped with the Lefty fork, you'll out-corner, out-steer, and out-handle the competition, again and again. Get insane traction with super short chainstays, without being limited to 1X set-ups, or sacrificing mud clearance. Cannondale also equips the F-Si with fit-focused wheel diameters, to achieve the best possible fit for all riders. With SRAM X01/GX shifting, and SRAM Level TL hydraulic braking, you'll race uphill and carve back down with expert precision. A carbon Cannondale bar, super fast HollowGram carbon rims, and tacky Schwalbe Rocket Ron tires create a slick, race-ready hardtail package that's undeniable and distinctive both on the trail and off.

Features and Information

Specification Description
Frame F-Si, BallisTec 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 XLocremote, 55mm offset (29), 50mm offset (27.5)
Headset Cannondale HeadShok Si
Rims/Wheels HollowGram 23, Superlight Hi-Impact Carbon, Tubeless Ready, 28hole, 23mm inner
Hubs Lefty 60 front, SRAM 900, 28 hole (Ai Offset dish - Rear)
Spokes HollowGram Double Butted Straight Pull (Ai Offset dish - Rear)
Tires Schwalbe Rocket Ron EVO Snakeskin, 29/27.5x2.25", folding, Tubeless Ready
Crankset Truvativ Stylo 6k Eagle
Chainrings 34T
Bottom Bracket Cannondale Alloy PressFit30
Chain SRAM Eagle 12-speed
Rear Derailleur SRAM GX Eagle 12-speed
Cassette/Rear Cogs SRAM XG-1275 Eagle, 10-50, 12-speed
Shifters SRAM X01 Eagle 12-speed
Handlebars Cannondale C1 flat, carbon, 760mm
Tape/Grips Cannondale Locking Grips
Stem Cannondale C1, 7075 Alloy, 31.8, -5°
Brake Levers SRAM Level TL
Brakes SRAM Level TL, 180/160mm, Centerline Rotors
Saddle Prologo Zero II STN Rail
Seat Post Cannondale SAVE2 Carbon, 27.2x400mm
Accessories & Extras Tubeless Kit

* Subject to change without notice.


by PowerReviews
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5.0 stars

(based on 2 reviews)


of respondents would recommend this to a friend.

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  • Highly Efficient 
  • Very stable at high speed 
  • Geometry Is Best In Class 
  • Handling On Rough Trails 


  • Wheelset Is A Bit Heavy 

Reviewed by 2 customers

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Displaying reviews 1-2


Higly recomended

By Rayo Mc Queen

from Pilar

About Me


Excelent everywhere. Up and down is fast and comfortably.

  • Gift:
  • No

Great value for a race-ready rig

By The Flatlander

from Fort Collins, CO

About Me Expert


  • Handling On Rough Trails
  • Very stable at high speed
  • Geometry Is Best In Class
  • Highly Efficient


  • Wheelset Is A Bit Heavy

Best Uses


    I use this bike for both training and racing. The slack head-tube angle makes all the difference compared to the normally "twitchy" 29er hard tails.

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    Displaying reviews 1-2

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    Option Barcode Manufacturer's Part Number Vendor Number
    Acid Green / Small / 27.5-inch 884603700792 C25257M70SM CSG-C25257M70SM
    Acid Green / Medium / 29-inch 884603700808 C25257M70MD CSG-C25257M70MD
    Acid Green / Large / 29-inch 884603700815 C25257M70LG CSG-C25257M70LG
    Acid Green / X-Large / 29-inch 884603700822 C25257M70XL CSG-C25257M70XL