VelopediaBicycle Archive · Specification report

2018 Cannondale Scalpel-Si 5

Velopedia Archive ID 900002709

Overview

Model year2018
BrandCannondale
ModelScalpel-Si 5
Bicycle typeMountain
Archive ID900002709
ColorsMatte Jet Black w/ Gloss Jet Black and Ultra Blue - Matte (BLK)
SizesS (27.5"), M (29"), L (29"), XL (29")

Frameset

Frame constructionScalpel-Si, 100mm, SmartForm C1 Alloy, Zero Pivot seatstay, Carbon Link, PF30, 1.5 Si head tube, Ai Offset
Frame materialCarbon
ForkLefty 2.0 Alloy OPI, 2Spring, 100mm, PBR Isolated Damper Technology with XC+ tune and updated controls, 55mm offset (29), 50mm offset (27.5)
Fork materialAluminum
Rear shockRockShox Monarch RL, 100mm

Drivetrain

ShiftersSRAM S Series, 2x11
Front derailleurShimano XT, side swing
Rear derailleurSRAM GX, 11-speed
CranksetCannondale Si, BB30, 36/26 CNC Rings
Bottom bracketCannondale Alloy PressFit30
Rear cogsSRAM PG-1130, 11-speed, 11-42
ChainSRAM 11-speed
PedalsN/A

Brakes

BrakesShimano Deore MT500 hydro disc, 180/160mm

Cockpit & contact points

HeadsetCannondale HeadShok Si
HandlebarCannondale C2 flat, Butted AL2014 Alloy, 760mm
StemCannondale C1, 6061 Alloy, 1.5”, 31.8, -5°
SaddlePrologo K3
SeatpostCannondale C3, Micro Adjust, 6061 Alloy, 31.6x350mm (XS,S,M) 400mm (L,X)

Wheels & tires

HubsLefty 60 front, Formula DHT-142x12, (Ai Offset dish - Rear)
RimsStan’s NoTubes Crest S1, 32 hole, tubeless ready
SpokesDT-Swiss Champion (Ai Offset dish - Rear)
Front tireSchwalbe Racing Ralph Performance, 29x2.25”, folding
Rear tireSchwalbe Racing Ralph Performance, 29x2.25”, folding
Wheel size29"

Geometry · S (27.5")

Seat tube400 mm
Effective top tube570 mm
Head tube97 mm
Head-tube angle69.5°
Seat-tube angle73.5°
Chainstay / rear center425 mm
Wheelbase1079 mm
Bottom-bracket drop20 mm
Bottom-bracket height333 mm
Reach407 mm
Stack550 mm
Standover height716 mm
Fork offset / rake50 mm
Front center653 mm
Trail75 mm

Geometry · M (29")

Seat tube440 mm
Effective top tube599 mm
Head tube110 mm
Head-tube angle69.5°
Seat-tube angle73.5°
Chainstay / rear center435 mm
Wheelbase1118 mm
Bottom-bracket drop38 mm
Bottom-bracket height334 mm
Reach424 mm
Stack592 mm
Standover height754 mm
Fork offset / rake55 mm
Front center685 mm
Trail77 mm

Geometry · L (29")

Seat tube480 mm
Effective top tube624 mm
Head tube122 mm
Head-tube angle69.5°
Seat-tube angle73.5°
Chainstay / rear center435 mm
Wheelbase1144 mm
Bottom-bracket drop38 mm
Bottom-bracket height334 mm
Reach445 mm
Stack604 mm
Standover height760 mm
Fork offset / rake55 mm
Front center711 mm
Trail77 mm

Geometry · XL (29")

Seat tube520 mm
Effective top tube648 mm
Head tube134 mm
Head-tube angle69.5°
Seat-tube angle73.5°
Chainstay / rear center435 mm
Wheelbase1169 mm
Bottom-bracket drop38 mm
Bottom-bracket height334 mm
Reach466 mm
Stack615 mm
Standover height766 mm
Fork offset / rake55 mm
Front center735 mm
Trail77 mm

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