Bicycle comparison

Specification	2018 Cannondale Scalpel-Si 5	2019 Cannondale Scalpel-Si 5
Overview
Model year	2018	2019
Brand	Cannondale	Cannondale
Model	Scalpel-Si 5	Scalpel-Si 5
Bicycle type	Mountain	Mountain
Archive ID	900002709	900002758
Colors	Matte Jet Black w/ Gloss Jet Black and Ultra Blue - Matte (BLK)	Jet Black w/ Volt - Gloss (VLT)
Sizes	S (27.5"), M (29"), L (29"), XL (29")	S, M, L, XL
Frameset
Frame construction	Scalpel-Si, 100mm, SmartForm C1 Alloy, Zero Pivot seatstay, Carbon Link, PF30, 1.5 Si head tube, Ai Offset	Scalpel-Si, 100mm, SmartForm C1 Alloy, Zero Pivot seatstay, Carbon Link, PF30, 1.5 Si head tube, Ai Offset
Frame material	Carbon	Carbon
Fork	Lefty 2.0 Alloy OPI, 2Spring, 100mm, PBR Isolated Damper Technology with XC+ tune and updated controls, 55mm offset (29), 50mm offset (27.5)	ALL-NEW Lefty Ocho, 27.5/29”, 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 50/55mm offset
Fork material	Aluminum	—
Rear shock	RockShox Monarch RL, 100mm	RockShox Monarch RL, 100mm
Drivetrain
Shifters	SRAM S Series, 2x11	SRAM NX Eagle, 12-speed
Front derailleur	Shimano XT, side swing	—
Rear derailleur	SRAM GX, 11-speed	SRAM NX Eagle
Crankset	Cannondale Si, BB30, 36/26 CNC Rings	Truvativ Stylo 6K, 34T, Ai Custom
Bottom bracket	Cannondale Alloy PressFit30	Cannondale BB30
Rear cogs	SRAM PG-1130, 11-speed, 11-42	SRAM PG-1230, NX Eagle, 10-50, 12-speed
Chain	SRAM 11-speed	SRAM NX Eagle, 12-speed
Pedals	N/A	Not Included
Brakes
Brakes	Shimano Deore MT500 hydro disc, 180/160mm	Shimano MT500 hydro disc, 180/160mm RT56 rotors
Cockpit & contact points
Headset	Cannondale HeadShok Si	Cannondale HeadShok Si
Handlebar	Cannondale C2 flat, Butted AL2014 Alloy, 760mm	Cannondale C3 Flat, 6061 double-butted Alloy, 8° sweep, 760mm
Stem	Cannondale C1, 6061 Alloy, 1.5”, 31.8, -5°	Cannondale C3, 3D Forged 6061 Alloy, 1-1/8”, 31.8, 7°
Saddle	Prologo K3	Fabric Scoop Shallow Sport, steel rails
Seatpost	Cannondale C3, Micro Adjust, 6061 Alloy, 31.6x350mm (XS,S,M) 400mm (L,X)	Cannondale C3, 6061 Alloy, 31.6 x 400mm
Wheels & tires
Hubs	Lefty 60 front, Formula DHT-142x12, (Ai Offset dish - Rear)	Lefty 60 front, Formula 12x142 rear w/ HG driver
Rims	Stan’s NoTubes Crest S1, 32 hole, tubeless ready	WTB STX i23 TCS, 28h, tubeless ready
Spokes	DT-Swiss Champion (Ai Offset dish - Rear)	DT Swiss Champion (Ai Offset dish - rear)
Front tire	Schwalbe Racing Ralph Performance, 29x2.25”, folding	Schwalbe Racing Ray Performance 27.5/29 x 2.25” front, Racing Ralph Performance 2.25” rear, Addix compound, tubeless ready
Rear tire	Schwalbe Racing Ralph Performance, 29x2.25”, folding	Schwalbe Racing Ray Performance 27.5/29 x 2.25” front, Racing Ralph Performance 2.25” rear, Addix compound, tubeless ready
Wheel size	29"	29"

Specification

2018 Cannondale Scalpel-Si 5

2019 Cannondale Scalpel-Si 5

Overview

Model year

2018

2019

Brand

Cannondale

Model

Scalpel-Si 5

Bicycle type

Mountain

Archive ID

900002709

900002758

Colors

Matte Jet Black w/ Gloss Jet Black and Ultra Blue - Matte (BLK)

Jet Black w/ Volt - Gloss (VLT)

Sizes

S (27.5"), M (29"), L (29"), XL (29")

S, M, L, XL

Frameset

Frame construction

Scalpel-Si, 100mm, SmartForm C1 Alloy, Zero Pivot seatstay, Carbon Link, PF30, 1.5 Si head tube, Ai Offset

Frame material

Carbon

Fork

Lefty 2.0 Alloy OPI, 2Spring, 100mm, PBR Isolated Damper Technology with XC+ tune and updated controls, 55mm offset (29), 50mm offset (27.5)

ALL-NEW Lefty Ocho, 27.5/29”, 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 50/55mm offset

Fork material

Aluminum

—

Rear shock

RockShox Monarch RL, 100mm

Drivetrain

Shifters

SRAM S Series, 2x11

SRAM NX Eagle, 12-speed

Front derailleur

Shimano XT, side swing

—

Rear derailleur

SRAM GX, 11-speed

SRAM NX Eagle

Crankset

Cannondale Si, BB30, 36/26 CNC Rings

Truvativ Stylo 6K, 34T, Ai Custom

Bottom bracket

Cannondale Alloy PressFit30

Cannondale BB30

Rear cogs

SRAM PG-1130, 11-speed, 11-42

SRAM PG-1230, NX Eagle, 10-50, 12-speed

Chain

SRAM 11-speed

SRAM NX Eagle, 12-speed

Pedals

N/A

Not Included

Brakes

Shimano Deore MT500 hydro disc, 180/160mm

Shimano MT500 hydro disc, 180/160mm RT56 rotors

Cockpit & contact points

Headset

Cannondale HeadShok Si

Handlebar

Cannondale C2 flat, Butted AL2014 Alloy, 760mm

Cannondale C3 Flat, 6061 double-butted Alloy, 8° sweep, 760mm

Stem

Cannondale C1, 6061 Alloy, 1.5”, 31.8, -5°

Cannondale C3, 3D Forged 6061 Alloy, 1-1/8”, 31.8, 7°

Saddle

Prologo K3

Fabric Scoop Shallow Sport, steel rails

Seatpost

Cannondale C3, Micro Adjust, 6061 Alloy, 31.6x350mm (XS,S,M) 400mm (L,X)

Cannondale C3, 6061 Alloy, 31.6 x 400mm

Wheels & tires

Hubs

Lefty 60 front, Formula DHT-142x12, (Ai Offset dish - Rear)

Lefty 60 front, Formula 12x142 rear w/ HG driver

Rims

Stan’s NoTubes Crest S1, 32 hole, tubeless ready

WTB STX i23 TCS, 28h, tubeless ready

Spokes

DT-Swiss Champion (Ai Offset dish - Rear)

DT Swiss Champion (Ai Offset dish - rear)

Front tire

Schwalbe Racing Ralph Performance, 29x2.25”, folding

Schwalbe Racing Ray Performance 27.5/29 x 2.25” front, Racing Ralph Performance 2.25” rear, Addix compound, tubeless ready

Rear tire

Schwalbe Racing Ralph Performance, 29x2.25”, folding

Schwalbe Racing Ray Performance 27.5/29 x 2.25” front, Racing Ralph Performance 2.25” rear, Addix compound, tubeless ready

Wheel size

29"

Geometry comparison

One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.

Measurement	2018 Cannondale Scalpel-Si 5	2019 Cannondale Scalpel-Si 5
Selected size / position	M (29")	M (29“)
Reach	424 mm	424 mm
Stack	592 mm	592 mm
Effective top tube	599 mm	599 mm
Head-tube angle	69.5°	69.5°
Seat-tube angle	73.5°	73.5°
Seat tube	440 mm	440 mm
Head tube	110 mm	110 mm
Chainstay / rear center	435 mm	435 mm
Wheelbase	1118 mm	1118 mm
Bottom-bracket drop	38 mm	38 mm
Bottom-bracket height	334 mm	334 mm
Standover height	754 mm	754 mm
Fork offset / rake	55 mm	55 mm
Front center	685 mm	685 mm
Trail	77 mm	77 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 6, 2026.