VelopediaBicycle Archive · Specification report

2018 Cannondale Scalpel-Si Carbon 3

Velopedia Archive ID 900002669

Overview

Model year2018
BrandCannondale
ModelScalpel-Si Carbon 3
Bicycle typeMountain
Archive ID900002669
ColorsJet Black w/ Nearly Black and Charcoal Gray - Matte (BBQ)
SizesS (27.5"), M (29"), L (29"), XL (29")

Frameset

Frame constructionScalpel-Si, 100mm, BallisTec Carbon, Zero Pivot seatstay, Carbon Link, PF30, 1.5 Si head tube, Ai Offset
Frame materialCarbon
ForkLefty 2.0 Carbon, 2Spring, 100mm, XLR Isolated Damper Technology with XC+ tune and XLoc Full Sprint remote, 55mm offset (29), 50mm offset (27.5)
Fork materialCarbon
Rear shockRockShox Monarch XX, 100mm, Full Sprint remote

Drivetrain

ShiftersShimano XT, 11-speed
Front derailleurN/A
Rear derailleurShimano XTR Shadow Plus, 11-speed
CranksetCannondale HollowGram Si, BB30 w/ Ai SpideRing, X-Sync®, 32t
Bottom bracketCannondale Alloy PressFit30
Rear cogsShimano XT, 11-46, 11-speed
ChainShimano HG601, 11-speed
PedalsN/A

Brakes

BrakesShimano XT hydro disc, 160/160mm

Cockpit & contact points

HeadsetCannondale HeadShok Si
HandlebarCannondale C1 flat, Carbon, 760mm
StemCannondale C1, 7075 Alloy, 31.8, -5°
SaddlePrologo Zero II STN
SeatpostCannondale C2 Carbon, Micro Adjust, 31.6x350mm (XS,S,M) 400mm (L,X)

Wheels & tires

HubsC-Zero Straight Pull, Lefty 60 front, 39-point engagement rear, 142x12, 28h (Ai Offset dish - Rear)
RimsStan’s NoTubes CREST MK3, 32 hole, tubeless ready
SpokesGrand Forza Double Butted (Ai Offset dish - Rear)
Front tireSchwalbe Racing Ralph EVO Snakeskin, 29x2.25”, folding, Tubeless Ready
Rear tireSchwalbe Racing Ralph EVO Snakeskin, 29x2.25”, folding, Tubeless Ready
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 October 8, 2026.