Scalpel 1 Lefty 2026

Hold on Tight

Thrill ride. With the most advanced XC suspension and geometry, and rowdy-ready spec, the Cannondale Scalpel 1 Lefty 2025 redefines cross-country speed – again.

Model Description

or winning races and scorching trails, theCannondale Scalpel 1 Lefty 2025 is one of the fastest, lightest, and most capable mountain bikes on the planet. The frame is crafted with our advanced, super-light Series 1 carbon construction. Our one-piece SystemBar XC-One carbon cockpit controls the unmatched steering precision of the Lefty Ocho Carbon 120 fork. SRAM’s potent XO AXS wireless electronic group handles the shifting, and it all rolls on the speedy DT-Swiss XCR 1501 Spline carbon cross-country wheelset.

What it's for

The thrill of speed. Winning World Cup XC and Marathon races. High-speed trail slaying.

Highlights

• Superlight premium Series 1 Carbon frame with FlexPivot, 120mm travel, and Proportional Response-Tuned Suspension and Geometry
• Lefty Ocho Carbon – the smoothest, most advanced, most precise-handling XC fork in the world. Carbon upper, 120mm travel, with a TwistLoc Ultimate remote lockout.
• Sleek SystemBar XC-One integrated carbon handlebar and stem
• Super-fast DT Swiss XCR 1501 Spline carbon cross-country wheelset
• Light, precise, and tough SRAM XO Eagle AXS Transmission electronic wireless 12-speed group with Level Silver Stealth brakes
• Fox Transfer SL dropper seatpost

Sizing:

• S: 154 -165cm
• M: 162 - 175cm
• L: 172 - 182cm
• XL: 180 - 195cm

Specifications::Scalpel 1 Lefty

• Discipline: XC
• Material: Carbon
• Front Travel: 120mm
• Rear Travel: 120mm
• Wheel Size: 29"
• Warranty: Limited Lifetime (frame)

Frame - Scalpel, lightweight carbon construction, 120mm travel, Proportional Response Suspension and Geometry, FlexPivot Chainstay, full internal cable routing, 73mm BSA, 1.5” headtube with 1-1/8” upper reducer/internal cable guide, 148x12mm thru axle, 55mm chainline, UDH, post-mount disc – 160mm native
Fork - Lefty Ocho 120 Carbon, 120mm, Chamber Damper, OppO Spring System, tapered steerer, 50mm offset, TwistLoc Ultimate remote dual lockout
Rear Shock - RockShox SIDLuxe Select+, 2-Pos mode adjust, adjustable rebound, 190x45, TwistLoc Ultimate remote dual lockout
Rims - DT Swiss XRC 1501 SPLINE ONE, carbon, 30mm inner width, hookless, TSS tubeless ready
Hubs - DT Swiss Lefty, 6-bolt (F) / 240 Ratchet EXP 36, 6-bolt, XD driver (R)
Spokes - DT Competition Race, straight pull
Tyres - (F) Maxxis Rekon Race WT, 29x2.4”, EXO Protection, tubeless ready / (R) Maxxis Aspen WT, 29x2.4”, EXO Protection, tubeless ready
Pedals - Not Included
Crank - SRAM XO, T-Type, 34T
Bottom Bracket - SRAM DUB BSA 73mm MTB Wide
Chain - SRAM XO, T-Type, 12-speed
Cassette - SRAM XO Eagle, 10-52, T-Type, 12-speed
Rear Derailleur - SRAM XO Eagle AXS, T-Type
Shifters - SRAM AXS T-Type Pod Controller
Handlebar - SystemBar XC-One Flat, carbon, integrated bar/stem, internal cable routing, 5° upsweep, 8° backsweep, 760mm width, -6° stem, 1-1/8” clamp
Grips - RockShox Smooth Silicone
Stem - SystemBar XC-One Flat, carbon integrated bar/stem
Headset - Acros ICR
Brakes - SRAM Level Silver Stealth, 4-piston hydraulic disc, SRAM HS2 180/160mm rotors
Brake Levers - SRAM Level Silver Stealth
Saddle - Prologo Dimension NDR, Tirox rails
Seatpost - Fox Transfer SL Performance Elite, 31.6, 125mm (S), 150mm (M-XL)
Sizes - SM, MD, LG, XL