2021 Cannondale F-Si Hi-MOD Ultimate

The 2021 Cannondale F-Si Hi-MOD Ultimate is a 29″ carbon frame hardtail crosscountry bike with ultra high-end components.

View on www.cannondale.com

2021 Cannondale F-Si Hi-MOD Ultimate
  • Suspension Hardtail
  • Front Travel 100mm
  • Frame Carbon
  • Fork Cannondale Lefty Ocho
  • Wheels 29″ Carbon
  • Drivetrain 1 × 12 Electronic
  • Groupset XX1 Eagle AXS, X01 Eagle AXS
  • Brakes Hydraulic Disc

Where to Buy


1 × 12 — 12 speed

2021 Cannondale F-Si Hi-MOD Ultimate
29 mph
Similar Bikes
27 mph

The F-Si Hi-MOD Ultimate is geared about the same as similar bikes for riding up hills.

Similar bikes won‘t keep up with the F-Si Hi-MOD Ultimate while riding downhill or sprinting.


FrameBallisTec Hi-Mod Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset
ForkLefty Ocho Carbon, 100mm, Chamber Damper with remote lockout, OppO Spring System, tapered steerer, 55mm offset
Bottom BracketSRAM DUB PF30 MTB83
HeadsetIntegrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small only)
StemCannondale 1, 7075 Alloy, 1-1/8", 31.8, 7°
HandlebarENVE M5, Carbon, 31.8mm, 5mm rise, 9° sweep, 760mm
SaddlePROLOGO Dimension NDR CPC Tirox Saddle
SeatpostENVE Carbon, 27.2 x 400mm, 0mm offset
GripsESI Chunky Silicone, 32mm dia.
Rear DerailleurSRAM XX1 Eagle AXS
CrankSRAM XX1 Eagle DUB, 34T, Ai offset
ShiftersSRAM Eagle AXS, 12-speed
CassetteSRAM XG-1299, XX1 Eagle, Copper, 10-52, 12-speed
ChainSRAM XX1 Eagle, Copper, 12-speed
BrakesSRAM Level Ultimate hydraulic disc, CenterLine X 160/160mm rotors
Brake LeversSRAM Level Ultimate hydraulic disc
RimsENVE M525 Carbon, 24h, tubeless ready
SpokesDT Swiss Aerolite, straight pull
Front HubLefty 60
Rear HubDT Swiss, 12x148
Tires(F) Schwalbe Racing Ray EVO, 29 x 2.25", SnakeSkin, Addix Speedgrip, tubeless ready, (R) Schwalbe Racing Ralph EVO, 29 x 2.25", SnakeSkin, Addix Speed, tubeless ready
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2021 Cannondale F-Si Hi-MOD Ultimate