VelopediaBicycle Archive · Specification report

2025 Cannondale Topstone Carbon 1 Lefty AXS

Velopedia Archive ID 900001205

Overview

Model year2025
BrandCannondale
ModelTopstone Carbon 1 Lefty AXS
Bicycle typeCyclocross/Gravel
Archive ID900001205
Original MSRP$6,499.00
ColorsBlack
Sizes54; 47; 51; 61; 56; 58

Frameset

Frame constructionTopstone Carbon, Kingpin suspension system, Proportional Response construction, downtube Stashport, internal cable routing, 12x142mm thru-axle, 27.2 dropper post ready, UDH, BSA 68mm threaded BB, flat mount disc, removable fender bridge, multiple gear/bottle mounts
Frame materialCarbon fiber
ForkLefty Oliver, 40mm travel, lockout, Gen 2 Chamber Damper w/ All-Over tune, ISO High-Ride air spring, tapered steerer, 700c, 55mm offset

Drivetrain

ShiftersSRAM Rival AXS, 12-speed
Rear derailleurSRAM GX Eagle AXS, T-Type
CranksetSRAM Rival DUB Wide, 42T
Bottom bracketSRAM DUB BSA Road 68 Wide
Rear cogsSRAM GX XS-1275, 10-52, T-Type, 12-speed
ChainSRAM GX Eagle Transmission, 12-speed

Brakes

BrakesBrakes SRAM Rival hydraulic disc, 160/160mm CenterLine X 6-bolt front, centerlock rear rotors Brake Levers SRAM Rival AXS hydraulic disc

Cockpit & contact points

HeadsetAcros IS52/40 ICR
HandlebarEaston EA70 AX, alloy, 16 deg flare, 120mm drop: 400mm (47cm), 420mm (51-54), 440mm (56-61cm)
StemCannondale C1 Conceal, Alloy, 31.8, -6°: 70mm (47-51m), 80mm (54cm), 90mm (56-58cm), 100mm (61cm)
SaddleFizik Terra Argo X5
SeatpostCannondale SAVE Carbon, 27.2x350mm (47-58), 400mm (61)

Wheels & tires

Hubs(F) Lefty 50, 6-Bolt / (R) DT Swiss 370 LN Ratchet System, 12x142mm centerlock
RimsReserve 40 I 44 GR Carbon, Turbulent Aero Tech, 24h, tubeless ready
SpokesSapim CX-Delta J-bend
Front tireWTB Raddler TCS Light, 700x44c, tubeless ready
Rear tireWTB Raddler TCS Light, 700x44c, tubeless ready
Wheel size700c

Geometry · 47

Seat tube410 mm
Effective top tube532 mm
Top tube510 mm
Head tube97 mm
Head-tube angle69.9°
Seat-tube angle73.1°
Chainstay / rear center420 mm
Wheelbase1009 mm
Bottom-bracket drop79 mm
Bottom-bracket height280 mm
Reach364 mm
Stack554 mm
Standover height716 mm
Fork offset / rake55 mm
Front center601 mm
Trail73 mm

Geometry · 51

Seat tube446 mm
Effective top tube543 mm
Top tube520 mm
Head tube101 mm
Head-tube angle70.7°
Seat-tube angle73.1°
Chainstay / rear center420 mm
Wheelbase1012 mm
Bottom-bracket drop79 mm
Bottom-bracket height280 mm
Reach373 mm
Stack561 mm
Standover height741 mm
Fork offset / rake55 mm
Front center605 mm
Trail67 mm

Geometry · 54

Seat tube482 mm
Effective top tube554 mm
Top tube531 mm
Head tube123 mm
Head-tube angle70.7°
Seat-tube angle73.1°
Chainstay / rear center420 mm
Wheelbase1026 mm
Bottom-bracket drop76 mm
Bottom-bracket height283 mm
Reach378 mm
Stack579 mm
Standover height772 mm
Fork offset / rake55 mm
Front center617 mm
Trail67 mm

Geometry · 56

Seat tube518 mm
Effective top tube564 mm
Top tube543 mm
Head tube142 mm
Head-tube angle70.7°
Seat-tube angle73.1°
Chainstay / rear center420 mm
Wheelbase1036 mm
Bottom-bracket drop76 mm
Bottom-bracket height283 mm
Reach383 mm
Stack597 mm
Standover height800 mm
Fork offset / rake55 mm
Front center628 mm
Trail67 mm

Geometry · 58

Seat tube554 mm
Effective top tube576 mm
Top tube557 mm
Head tube164 mm
Head-tube angle70.7°
Seat-tube angle73.1°
Chainstay / rear center420 mm
Wheelbase1050 mm
Bottom-bracket drop74 mm
Bottom-bracket height285 mm
Reach389 mm
Stack615 mm
Standover height831 mm
Fork offset / rake55 mm
Front center641 mm
Trail67 mm

Geometry · 61

Seat tube590 mm
Effective top tube593 mm
Top tube574 mm
Head tube196 mm
Head-tube angle70.7°
Seat-tube angle73.1°
Chainstay / rear center420 mm
Wheelbase1069 mm
Bottom-bracket drop74 mm
Bottom-bracket height285 mm
Reach397 mm
Stack646 mm
Standover height864 mm
Fork offset / rake55 mm
Front center659 mm
Trail67 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.