The Cannondale F-SI Carbon 4 2019 Mountain Bike is the first model in the F-SI range to come with the new Lefty Ocho fork. It’s the smoothest, lightest XC fork ever made. And its bolted to a carbon frame that weighs in at just 1.1kg.

Cannondale

Cannondale F-Si Carbon 4 2019 Mountain Bike Charcoal

£2,699.99
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Cannondale F-Si Carbon 4 2019 Mountain Bike Charcoal

Season : 2019

Brand : Cannondale

Code : C25409M60

Weight : 0KG

The Cannondale F-SI Carbon 4 2019 Mountain Bike is the first model in the F-SI range to come with the new Lefty Ocho fork. It’s the smoothest, lightest XC fork ever made. And bolted onto a carbon frame that weighs in at just 1.1kg it’s a seriously capable platform. The F-SI is all about pushing the limits of what an XC hardtail can do. No other hardtail descends as fast, climbs as nimbly, or kicks harder, smoother.

The F-SI is super light but that’s almost a by-product of what Cannondale were aiming for with the F-Si. The Cannondale engineers focused on features that deliver real performance benefits out on the course. Features like Ai and OutFront, or improved compliance, or improved durability. That’s what wins races, not saving the weight of a few sips of water.

Cannondale’s AI tech features on a lot of their road and mountain bikes. It makes the backend of the bike asymmetrical with an offset drivetrain. This allows them to make the back end of the bike much shorter which translates to better acceleration, better traction and more agile handling.

The all-new Lefty Ocho fork floats through chop and steers through the choss like nothing else. Its extra-long fork offset pairs up with the F-Si’s new, slacker 69° head angle to create the OutFront geometry that gives you extra stability to charge the downs, with full XC agility on the ups. Helping the F-Si track perfectly through whatever you throw it into.

The F-SI is designed as an XC race bike and it does have a race orientated ride position but this bike also works great for any fast cross country riding. If you focus more on speed and distance covered rather than being gnarly then this could be the bike for you.

The F-SI Carbon 4 comes with tubeless ready wheels, SRAM NX Eagle gearing and Shimano MT500 brakes. It’s a carefully picked mix of components that are great value and work really well.

 

This bike is perfect for

Aspiring XC racers, marathon and endurance racers, or anyone who just likes going really fast cross country. With the combination of a super light carbon frame and the Lefty Ocho fork you get super speed and super handling in one bike so you can tackle the toughest XC courses and smash lap records at your local trail centre.

 

Key Features

  • Lightweight Ballistec carbon frame with super short AI offset rear end
  • All new Lefty Ocho 100mm travel fork with lockout
  • Tubeless ready 29er wheels and mixed Shimano and SRAM equipment
  • €3,095.14
    EUR
  • $2,846.24
    USD
  • $4,190.09
    AUD
  • kr33,462.79
    SEK
  • kr25,828.01
    NOK
  • kr23,113.64
    DKK
  • $4,493.65
    NZD
  • ¥308,469.82
    JPY

Understanding the Cannondale Mountain Bike Range

Not sure which Cannondale mountain bike is right for you? We’ve put together a Guide to the 2019 Cannondale Mountain Bike Range to help you choose.

 

Why buy a Cannondale?

Cannondale are known as one of the most innovative brands in the bike industry. They have a reputation for doing things their own way but at the core their bikes are always built around really top quality frames built with cutting edge tech. If you buy a Cannondale you are getting a top class frame, innovative ideas and something a little different from the norm.
 
Technical Information
FRAME - ALL-NEW F-Si, BallisTec Carbon, SAVE, PF30A, tapered head tube, Speed Release 12mm thru axle, Ai Offset
 
FORK - ALL-NEW Lefty Ocho, 29", 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 55mm offset
 
RIMS - WTB STX i23 TCS, 28h, tubeless ready
 
HUBS - Lefty 60 front, Formula 12x148 rear w/ HG driver
 
SPOKES - DT Swiss Champion (Ai Offset dish - rear)
 
TYRES - Schwalbe Racing Ray Performance 29 x 2.25" front, Racing Ralph Performance 2.25" rear, Addix Compound, tubeless ready
 
CRANK - Truvativ Stylo 6K, 34T, Ai Custom
 
BOTTOM BRACKET - Cannondale Alloy PressFit30
 
CHAIN - SRAM NX Eagle, 12-speed
 
REAR COGS - SRAM PG-1230, NX Eagle, 11-50, 12-speed
 
REAR DERAILLEUR - SRAM NX Eagle
 
SHIFTERS - SRAM NX Eagle, 12-speed
 
HANDLEBAR - Cannondale C3 Flat, 6061 double-butted Alloy, 8-degree sweep, 760mm
 
GRIPS - Cannondale Locking Grips
 
STEM - Cannondale C3, 3D Forged 6061 Alloy, 1-1/8", 31.8, 7-degree
 
HEADSET - Integrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small only)
 
BRAKES - Shimano MT500 hydro disc, 160/160mm RT66 rotors
 
BRAKE LEVERS - Shimano MT500 hydro disc
 
SADDLE - Fabric Scoop Flat Elite, cro-mo rails
 
SEATPOST - Cannondale C3, 7075 Alloy, 27.2 x 400mm
 
SIZES - S, M, L, XL
 
EXTRAS - Speed Release rear axle
 
WEIGHT - 10.8 kg /23.8 lbs (MD)
Sizing Information

 

Small

Medium

Large

XLarge

Seat Tube Length(CM/IN)

33.0/13.0

43/16.9

48/18.9

53/20.9

Top Tube Horizontal (CM/IN)

58.3/23

60.6/23.9

62.9/24.8

65.3/25.7

Head Tube Angle

69

69

69

69

Seat Tube Angle Effective

73.1

73.1

73.1

73.1

Standover (CM/in)

75.5/29.7

79.3/31.2

82.8/32.6

86.3/34.0

Head Tube Length (CM/IN)

9.0/3.5

10.1/4.0

11.4/4.4

12.6/5.0

Wheelbase (CM/IN)

108.6/42.8

111.0/43.7

113.4/44.7

115.9/45.6

Front Centre (CM/IN)

66.7/26.3

69.1/27.2

71.4/28.1

73.9/29.1

Chain Stay Length (CM/IN)

42.7/16.8

42.7/16.8

42.7/16.8

42.7/16.8

Bottom Bracket Drop (CM/IN)

6.2/2.4

6.2/2.4

6.2/2.4

6.2/2.4

Bottom Bracket Height (CM/IN)

30.8/12.1

30.8/12.1

30.8/12.1

30.8/12.1

Fork Rake (CM/IN)

5.5/2.2

5.5/2.2

5.5/2.2

5.5/2.2

Trail (CM/IN)

88.2/3.2

88.2/3.2

88.2/3.2

88.2/3.2

Stack (CM/IN)

60.2/23.7

61.2/24.1

62.3/24.5

63.5/25.0

Reach (CM/IN)

40.0/15.7

42.0/16.5

44.0/17.3

46.0/18.1

 

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