Bicycle Archive · Specification report

2019 Cannondale Scalpel-Si Carbon 4

Velopedia Archive ID 900002753

Overview

Model year	2019
Brand	Cannondale
Model	Scalpel-Si Carbon 4
Bicycle type	Mountain
Archive ID	900002753
Colors	Black Pearl w/ Graphite and Charcoal - Gloss (BPL); Acid Green w/ Graphite and Vulcan - Gloss (AGR)
Sizes	S, M, L, XL

Frameset

Frame construction	Scalpel-Si, 100mm, BallisTec Carbon, Zero Pivot seatstay, Carbon Link, PF30, 1.5 Si head tube, Ai Offset
Frame material	Carbon
Fork	ALL-NEW Lefty Ocho, 27.5/29”, 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 50/55mm offset
Rear shock	RockShox Monarch RL, 100mm

Drivetrain

Shifters	SRAM NX Eagle, 12-speed
Rear derailleur	SRAM GX Eagle
Crankset	Truvativ Stylo 6K, 34T, Ai Custom
Bottom bracket	Cannondale Alloy PressFit30
Rear cogs	SRAM PG-1230, NX Eagle, 10-50, 12-speed
Chain	SRAM NX Eagle, 12-speed
Pedals	Not Included

Brakes

Brakes	SRAM Level TL hydro disc, 180/160mm Centerline rotors

Cockpit & contact points

Headset	Cannondale HeadShok Si
Handlebar	Cannondale C2 Flat, butted 2014 Alloy, 8° sweep, 760mm
Stem	Cannondale C3, 3D Forged 6061 Alloy, 1-1/8”, 31.8, 7°
Saddle	Fabric Scoop Flat Elite, cro-mo rails
Seatpost	Cannondale C2, 7075 Alloy, 31.6 x 400mm

Wheels & tires

Hubs	Lefty 60 front, Formula 12x142 rear w/ HG driver
Rims	Stan’s NoTubes Crest S1, 28h, tubeless ready
Spokes	DT Swiss Competition (Ai Offset dish - rear)
Front tire	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 Ray Performance 27.5/29 x 2.25” front, Racing Ralph Performance 2.25” rear, Addix compound, tubeless ready
Wheel size	29"

Geometry · XS (27.5“)

Seat tube	380 mm
Effective top tube	548 mm
Head tube	97 mm
Head-tube angle	69.5°
Seat-tube angle	73.5°
Chainstay / rear center	425 mm
Wheelbase	1057 mm
Bottom-bracket drop	20 mm
Bottom-bracket height	333 mm
Reach	385 mm
Stack	550 mm
Standover height	715 mm
Fork offset / rake	50 mm
Front center	631 mm
Trail	75 mm

Geometry · S (27.5“)

Seat tube	400 mm
Effective top tube	570 mm
Head tube	97 mm
Head-tube angle	69.5°
Seat-tube angle	73.5°
Chainstay / rear center	425 mm
Wheelbase	1079 mm
Bottom-bracket drop	20 mm
Bottom-bracket height	333 mm
Reach	407 mm
Stack	550 mm
Standover height	716 mm
Fork offset / rake	50 mm
Front center	653 mm
Trail	75 mm

Geometry · M (29“)

Seat tube	440 mm
Effective top tube	599 mm
Head tube	110 mm
Head-tube angle	69.5°
Seat-tube angle	73.5°
Chainstay / rear center	435 mm
Wheelbase	1118 mm
Bottom-bracket drop	38 mm
Bottom-bracket height	334 mm
Reach	424 mm
Stack	592 mm
Standover height	754 mm
Fork offset / rake	55 mm
Front center	685 mm
Trail	77 mm

Geometry · L (29“)

Seat tube	480 mm
Effective top tube	624 mm
Head tube	122 mm
Head-tube angle	69.5°
Seat-tube angle	73.5°
Chainstay / rear center	435 mm
Wheelbase	1144 mm
Bottom-bracket drop	38 mm
Bottom-bracket height	334 mm
Reach	445 mm
Stack	604 mm
Standover height	760 mm
Fork offset / rake	55 mm
Front center	711 mm
Trail	77 mm

Geometry · XL (29“)

Seat tube	520 mm
Effective top tube	648 mm
Head tube	134 mm
Head-tube angle	69.5°
Seat-tube angle	73.5°
Chainstay / rear center	435 mm
Wheelbase	1169 mm
Bottom-bracket drop	38 mm
Bottom-bracket height	334 mm
Reach	466 mm
Stack	615 mm
Standover height	766 mm
Fork offset / rake	55 mm
Front center	735 mm
Trail	77 mm

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