Cannondale F-Si Carbon 4 29er Mountain Bike 2018 - Hardtail MTB
Don’t be fooled by its unassumingly simple appearance – the Cannondale F-Si Carbon 4 29er hardtail mountain bike is every bit the tech-packed XC race bike. Using Cannondale’s own BallisTec carbon fibre, with in-built Speed SAVE micro-suspension, the F-Si MTB boasts an incredibly lightweight, stiff, strong, and surprisingly comfortable frame. Cannondale’s famous single-sided Lefty fork comes complete with 100mm of travel and PBR isolated damper technology with an XC+ tune, giving it impeccable poise and control over rough ground. Talking of rough ground, the 29er wheels help smooth out the trail with their reduced rolling resistance. Coupled with the 2x11 speed gears, super-stiff Asymmetric Integration rear triangle, and the shortest-in-class chainstays, and you’ve got a bike that could lead you to your next race win.
For shorter riders who prefer a 27.5” wheel, there’s also the Cannondale F-Si Carbon 4 27.5” hardtail mountain bike, available in a Small frame size.
Key Features:
- BallisTec carbon fibre frame, with Speed SAVE micro-suspension and Asymmetric Integration
- Cannondale Lefty 2.0 100mm fork, with 2spring and PBR Isolated Damper technology, tuned for XC racing
- Shimano SLX/XT 2x11 speed gears give you an incredible range for climbing and descending
- Shimano Deore MT500 hydraulic discs with 180mm rotors deliver ample stopping power for any trail
- Sizes: Medium, Large, X Large
- Colour: Jet Black/Neon Spring Gloss
- The Cannondale F-Si Carbon 4 29er hardtail mountain bike is available with 0% APR finance
NEXT-LEVEL XC
A race 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.
All Tredz bikes are:
- Fully built & ready to ride
- Fully checked & tested by Cytech qualified mechanics
- Available with 0% APR finance on baskets over £99
- 365 day no hassle returns
- Free delivery in the UK Mainland on a date that suits you
In the box with every Tredz bike is:
- Free Tredz 9 key trail tool
- Free Tredz pedal spanner
- Free basic pedals
- Tredz drawstring kit bag
- 16-point quality control check sheet
- Basic bike setup instructions
- Free Cycle Plan insurance voucher (8 weeks)
Occasionally, without notice, manufacturers change product design and/or specifications.
Mountain Bike Size Chart
Height
|
Bike Size
|
Mountain Bike Size
|
4’8” – 5’1”
143 – 155 cm
|
XXS
|
13” (33 cm)
|
5’1” – 5’4”
155 – 163 cm
|
XS
|
15” (38 cm)
|
5’4” – 5’7”
163 – 170 cm
|
S
|
16” (41 cm)
|
5’7” – 5’10”
170 – 178 cm
|
M
|
18” (46cm)
|
5’10” – 6’0”
178 – 183 cm
|
L
|
19” (48cm)
|
6’0” – 6’3”
183 – 191 cm
|
XL
|
20” (51 cm)
|
6’3” – 6’5”
191 – 196 cm
|
XXL
|
21” (53 cm)
|
6’5” – 6’9”
196 – 205 cm
|
XXXL
|
22” (56 cm)
|
* Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to use centimetres for all their bikes. The measurements of their mountain bikes doesn’t match their road bikes but are like a simple conversion from the inches measurement. This is why we have included cm measurements in brackets for the Mountain bike column.
Read our bike size guide for more information on sizing.
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