The ultimate race bike for the rough and tumble realities of modern XC. This ultralight super-efficient speed machine features unique XC geometry that lets you own the climbs rule the descents and decimate the competition. The best climbing best descending and fastest XC race combo ever made.
Proprietary Ai offset drivetrain delivers super short chainstays for climb-winning traction and agile handling without sacrificing mud/tyre clearance or limiting you to single ring set-ups. OutFront Steering Geometry gives you the best of both worlds: slack and stable on hectic descents yet quick and nimble everywhere else. Unbelievably smooth and precise the all-new Lefty Ocho out-corners out-handles and flat-out rides circles around its XC competition. Its custom extra-long fork offsets (rake) make our OutFront Steering Geometry possible. Just say no to energy-wasting flex. Scalpel Si is the stiffest XC bike going thanks to the evenly dished Ai rear wheel super short chainstays LockR locking axles and Hi-Mod BallisTec Carbon Construction.

Key Features

Scalpel BallisTec Hi-MOD Carbon Frame has a stiff but light construction allowing you to convert more power into speed.

Lefty Ocho Carbon 29” 100mm Carbon Fork has that famous eye-catching lefty style and delivers impressive performance in a vast range of terrain

Fox Float DPS Performance EVOL 100mm Rear Shock delivers high-end suspension performance for superior flow and descending capability.

SRAM XX1 Eagle AXS 1×12 Speed Drivetrain gives you the fantastic smoother more precise electronic shifting experience with greater durability for long lasting performance

SRAM Level Ultimate Hydraulic Disc Brakes give powerful controllable and consistent stopping power with minimal effort in all conditions

Schwalbe Racing Ray Tyres offer an aggressive tread in high-volume casing designed with great traction in mind

Model Number
C24100M

Consumer Friendly Name
Scalpel Si Hi-MOD World Cup

Frame
BallisTec Hi-MOD Carbon 100mm travel Zero Pivot seatstay Carbon Link PF30-83 1.5 Si head tube Ai Offset

Fork
Lefty Ocho Carbon 27.5/29′ 100mm Chamber Damper with cable lockout OppO Spring System tapered steerer 50/55mm offset

Rear Shock
Fox Float Factory DPS EVOL 100mm remote-actuated Kashima coating

Rims
ENVE M525 Carbon 24h tubeless ready

Spokes
DT Swiss Aerolite (Ai Offset dish – rear)

Pedals
Not Included

Crank
SRAM XX1 Eagle DUB 34T Ai offset

Bottom Bracket
SRAM DUB PF30 MTB83

Chain
SRAM XX1 Eagle 12-speed

Rear Cogs
SRAM XG-1299 10-50 12-speed

Front Derailleur
Null

Rear Derailleur
SRAM XX1 Eagle AXS

Shifters
SRAM Eagle AXS 12-speed

Handlebar
ENVE M5 Carbon 760mm 31.8mm 5mm rise 9deg sweep

Grips
Cannondale Locking Grips

Stem
Cannondale 1 7075 Alloy 1-1/8′ 31.8 7deg

Headset
Integrated 1-1/8 to 1.5′ sealed angular contact bearings (Integrated steer stop size small only)

Brakes
SRAM Level Ultimate hydro disc 180/160mm Centerline rotors

Brake Levers
SRAM Level Ultimate hydro disc

E-Bike Display
Null

E-Bike Battery
Null

E-Bike Charger
Null

E-Bike Drive Unit
Null

Saddle
Prologo Zero II Tirox rails

Seatpost
ENVE Carbon 31.6 x 400mm 0mm offset

Speeds
12

Chain Device
Null

Connectivity
Wheel Sensor

Fork Travel
(F) 100mm

Frame Details
100mm travel|Zero Pivot seatstay|Carbon Link|PF30-83|1.5 Si head tube|Ai Offset

Frame Travel
(R) 100mm

Front Hub
Lefty 60

Front Tire
(F) Schwalbe Racing Ray 27.5/29 x 2.25′ Snake Skin Addix Speedgrip Compound tubeless ready

Front Tire Size
2.25

Material
Carbon

Rear Hub
DT Swiss C36 12×142 rear w/ XD Driver

Rear Tire
(R) Schwalbe Racing Ralph 27.5/29 x 2.25′ Snake Skin Addix Speed Compound tubeless ready

Tire Size
2.25