VelopediaBicycle Archive · Specification report

2018 Cannondale Scalpel-Si Carbon 1

Velopedia Archive ID 900002560

Overview

Model year2018
BrandCannondale
ModelScalpel-Si Carbon 1
Bicycle typeMountain
Archive ID900002560
ColorsJet Black w/ Volt and Anthracite - Gloss (VLT)
SizesS (27.5"), M (29"), L (29"), XL (29")

Frameset

Frame constructionScalpel-Si, 100mm, BallisTec Hi-MOD 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 Travel, Remote

Drivetrain

ShiftersSRAM X01 Eagle, 12-speed
Front derailleurN/A
Rear derailleurSRAM XX1 Eagle, Type 3 RBC, 12-speed
CranksetTruvativ Stylo Carbon Eagle, BB30, 34T, Ai Custom
Bottom bracketCannondale Alloy PressFit30
Rear cogsSRAM XG-1295 Eagle, 10-50, 12-speed
ChainSRAM Eagle 12-speed
PedalsN/A

Brakes

BrakesSRAM Level TLM, custom flat mount rear, Centerline Rotors 180/160mm

Cockpit & contact points

HeadsetCannondale HeadShok Si
HandlebarCannondale C1 flat, Carbon, 760mm
StemCannondale C1, 7075 Alloy, 31.8, -5°
SaddleFabric Scoop Shallow Elite
SeatpostCannondale C1 Full Carbon, 31.6x420mm

Wheels & tires

HubsLefty 60 front, HollowGram by DT Swiss Rear, Star Ratchet, 142x12 , 28 hole (Ai Offset dish - Rear)
RimsHollowGram 23, Superlight Hi-Impact Carbon, Tubeless Ready, 28hole, 23mm inner
SpokesDT Swiss Aerolite (Ai Offset dish - Rear)
Front tireSchwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready
Rear tireSchwalbe Rocket Ron 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 6, 2026.