Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

Mountain · Non-electric

2019 Cannondale Scalpel-Si Carbon 1

Selected size
Original MSRP: Not documented

View record

Mountain · Non-electric

2018 Cannondale Scalpel-Si Carbon 1

Selected size
Original MSRP: Not documented

View record

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

No key difference could be established from the available data. Check the full table for the details.

Selected-size geometry

Geometry overlay

Frames share one scale and a bottom-bracket alignment. Size labels differ by brand; schematic drawing aids are identified below.

Preparing published geometry…

Gearing comparison

Lower gears help on climbs. Higher gears suit higher speeds.

Pedal cadence

RPM

Speed units

RPM = pedal turns per minute.

2019 Cannondale Scalpel-Si Carbon 1Size M (29“) · 34T · 10–50T · 12-speed

Lowest0.68:1Highest3.40:1Total range500%

Speed unavailable: wheel or tire size is missing or unclear.

2018 Cannondale Scalpel-Si Carbon 1Size M (29") · 34T · 10–50T · 12-speed

Lowest0.68:1Highest3.40:1Total range500%

Estimated speed at 90 RPMLowest gear5.3 mphHighest gear26.4 mph

Rear tire: 29×2.25.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.

Specification

2019 Cannondale Scalpel-Si Carbon 1

2018 Cannondale Scalpel-Si Carbon 1

Overview

Model Year

2019

2018

Brand

Cannondale

Model

Scalpel-Si Carbon 1

Bicycle Type

Mountain

Colors

Jet Black w/ Matte Jet Black and Brushed Chrome - Gloss (BLK)

Jet Black w/ Volt and Anthracite - Gloss (VLT)

Sizes

S, M, L, XL

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

Weight

—

Frameset

Frame Construction

Scalpel-Si, 100mm, BallisTec Hi-MOD Carbon, Zero Pivot seatstay, Carbon Link, PF30, 1.5 Si head tube, Ai Offset

Frame Material

Carbon

Fork

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

Lefty 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 Material

Carbon

Rear Shock

Fox Float Factory DPS EVOL, 100mm, remote-actuated, Kashima coating

RockShox Monarch XX, 100mm Travel, Remote

Drivetrain

Shifters

SRAM X01 Eagle, 12-speed

Rear Derailleur

SRAM XX1 Eagle

SRAM XX1 Eagle, Type 3 RBC, 12-speed

Crankset

Truvativ Stylo Carbon, 34T, Ai Custom

Truvativ Stylo Carbon Eagle, BB30, 34T, Ai Custom

Bottom Bracket

Cannondale Alloy PressFit30

Rear Cogs

SRAM XG-1295, X01 Eagle, 10-50, 12-speed

SRAM XG-1295 Eagle, 10-50, 12-speed

Chain

SRAM GX Eagle, 12-speed

SRAM Eagle 12-speed

Pedals

Not Included

—

Brakes

SRAM Level TLM hydro disc, 180/160mm Centerline rotors

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

Cockpit & Contact Points

Headset

Cannondale HeadShok Si

Handlebar

Cannondale C1 Flat, Carbon, 8° sweep, 760mm

Cannondale C1 flat, Carbon, 760mm

Stem

Cannondale C1, 7075 Alloy, 1-1/8”, 31.8, 7°

Cannondale C1, 7075 Alloy, 31.8, -5°

Saddle

Fabric Scoop Flat Elite, cro-mo rails

Fabric Scoop Shallow Elite

Seatpost

Cannondale C1 Full Carbon, 31.6 x 350mm

Cannondale C1 Full Carbon, 31.6x420mm

Wheels & Tires

Hubs

Lefty 60 front, HollowGram 12x142 rear w/ DT Swiss internals

Lefty 60 front, HollowGram by DT Swiss Rear, Star Ratchet, 142x12 , 28 hole (Ai Offset dish - Rear)

Rims

HollowGram 23, Superlight Hi-Impact Carbon, tubeless ready, 28h, 23mm inner width

HollowGram 23, Superlight Hi-Impact Carbon, Tubeless Ready, 28hole, 23mm inner

Spokes

HollowGram, double-butted straight pull (Ai Offset dish - rear)

DT Swiss Aerolite (Ai Offset dish - Rear)

Front Tire

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

Schwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready

Rear Tire

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

Schwalbe Rocket Ron EVO Snakeskin, 29x2.25”, folding, Tubeless Ready

Wheel Size

29"

Geometry · choose a size for each bicycle

Geometry size

Reach

424 mm

Stack

592 mm

Effective top tube

599 mm

Head-tube angle

69.5°

Seat-tube angle

73.5°

Seat tube

440 mm

Head tube

110 mm

Chainstay / rear center

435 mm

Wheelbase

1118 mm

Bottom-bracket drop

38 mm

Bottom-bracket height

334 mm

Standover height

754 mm

Fork offset / rake

55 mm

Front center

685 mm

Trail

77 mm

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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