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Cannondale F-Si Black Inc. 27.5 Hardtail MTB Bike 2017
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Cannondale F-Si Black Inc. 27.5 Hardtail MTB Bike 2017

Product Code: 147149

The Future of XC

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.


XC Agility Meets All-Mountain Stability

OutFront Steering Geometry gives you the best of both worlds: slack and stable on hectic descents, yet quick and nimble everywhere else.

Insane Traction - Without Compromise

Proprietary Ai offset drivetrain delivers super short chainstays for climb-winning traction and agile handling, without sacrificing mud/tire clearance or limiting you to single ring set-ups.

Explosive Stiffness.

Just say no to energy wasting flex. The F-Si Carbon is stiff in all the right places thanks to an evenly-dished Ai rear wheel, super-short chainstays and BallisTec Carbon construction.

The Best XC Fork… Period.

With its unbelievable rigidity and confident steering precision, Lefty out-corners, out-handles and flat-out rides circles around its flexy XC competition. Custom extra-long fork offsets (rake) make our OutFront Steering Geometry possible.


To achieve the best possible fit for all riders, size small is designed around 27.5 wheels, while M thru XL get 29"

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Product Specifications
Frame F-Si Asymmetric BallisTec Hi-MOD Carbon SPEED SAVE PF30A 1.5 Si Head Tube 27.5 (S) 29 (M-X)
Colour Jet Black
Fork Lefty 2.0 Carbon 100mm XLR Isolated Damper Technology with XC+ tune and XLoc remote Offset - 50mm (S) 55mm (M-X)
Rear Shock N/A
Rims ENVE Carbon M50 tubeless ready
Hubs Lefty 60 front Chris King rear 28 hole (Ai Offset dish - Rear)
Spokes DT Swiss AeroLite (Ai Offset dish - Rear)
Tyres Schwalbe Racing Ralph EVO Snakeskin 29/27.5x2.2.5 folding tubeless ready
Pedals N/A
Crank Cannondale HollowGram SiSL2 Ai BB30 36/26
Crank Option N/A
Bottom Bracket Cannondale Alloy PressFit30
Chain Shimano HG901 11-speed
Rear Cogs Shimano XTR 11-40 11-speed
Front Derailleur Shimano XTR Di2 direct mount
Rear Derailleur Shimano XTR Di2 11-speed
Shifters Shimano XTR Di2 2x11
Handlebar ENVE Carbon Sweep flat 740mm
Grips Cannondale Locking Grips
Stem Cannondale C1 6061 Alloy 1.5 31.8 -5 deg.
Headset Cannondale HeadShok Si
Brakes Shimano XTR Race 160/160mm Ice Tech Rotors
Brake Levers Shimano XTR Race carbon lever
Saddle Prologo Zero 2 CPC Nack
Seatpost ENVE Carbon Di2 compatible 27.2x400mm

'Every effort has been made to ensure accuracy throughout this website. However, Cannondale reserves the right to change bike specifications, features, prices and colours without prior notice.'  

0% Finance subject to status, written quotations on request.
Increase minimum deposit: £
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12 £8995.00 £0 £8995.00 £749.58 £8995.00 £0.00
24 £8995.00 £0 £8995.00 £374.79 £8995.00 £0.00
36 £8995.00 £0 £8995.00 £249.86 £8995.00 £0.00
* Prices are estimates and will be calculated at checkout based on your minimum deposit.
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  • 4/5 Stars
Cannondale F-Si Black Inc. 27.5 Hardtail MTB Bike 2017