A true stand-out in the gravel world. SmartSense lights and radar keep you visible and aware. A blended SRAM Apex AXS / GX Eagle AXS wide-range drivetrain ensures every shift is sharp, while KingPin suspension takes the edge off even the roughest tracks. The Topstone Carbon 2 AXS SmartSense is brilliant on pavement, gravel, or anywhere in between. Go long, explore more, chase sunsets, get home happy.

What it's for: Gravel riding & racing, bikepacking, singletrack exploration, getting after it beyond the pavement’s end

• Lightweight full carbon frameset with Kingpin rear suspension, Proportional Response size-specific construction and StashPort downtube storage
• SmartSense Gen 2 - Enhanced visibility and awareness from the sleekly integrated system of lights and radar
• A versatile mix of SRAM’s workhorse Apex AXS and GX AXS wireless electronic groups. A smooth shifting, wide-range, single-chainring 12-speed drivetrain
• Light and fast wheelset with WTB KOM Team rims, Shimano hubs, and WTB Riddler 45c gravel tires
• Cannondale’s 2 carbon seatpost and 2 ShortDrop flared bar create a comfortable cockpit

• Model Code: C1516GU SMU
• Frame: Topstone 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
• Fork: Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, triple bottle/gear mounts, fender mounts
• Headset: Acros IS52/40 ICR
• Rear Derailleur: SRAM GX Eagle AXS, T-Type, 12-speed
• Shifters: SRAM Apex AXS, 12-speed
• Chain: SRAM Apex, 12-speed
• Crank: SRAM Apex 1 Wide, 40T: 165mm (47cm), 170mm (51cm), 172.5 (54-56cm), 175mm (58-61cm)
• Rear Cogs: SRAM XS-1270, 10-52, T-Type, 12-speed
• Bottom Bracket: SRAM DUB BSA Road 68 Wide
• Brakes: SRAM Apex hydraulic disc, CenterLine 160/160mm centerlock rotors
• Brake Levers: SRAM Apex AXS hydraulic disc
• Rims: WTB KOM Team i25 TCS, 28h, tubeless ready
• Spokes: Stainless Steel, 14g
• Tire Size: 45
• Wheel Size: 700c
• Hubs: (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
• Tires: WTB Vulpine TCS Light, 700x45c, tubeless ready
• Handlebar: Cannondale 2 ShortDrop, 7050 alloy, 12 deg flare, 105mm drop: 400mm (47cm), 420mm (51-54), 440mm (56-61cm)
• Stem: Cannondale C1 Conceal, Alloy, 31.8, -6°: 70mm (47-51m), 80mm (54cm), 90mm (56-58cm), 100mm (61cm)
• Grips: Cannondale KnurlCork, 2.7mm
• Saddle: Fizik Terra Argo X7, S-Alloy rails, 150mm
• Seatpost: Cannondale 2 Carbon, 27.2x350mm (47-58), 400mm (61)
• Extra 1: SmartSense Gen 2.0 system (Bluetooth BLE and ANT+ compatible: SmartSense LightSkin U1E ultra-compact 800 lumen variable output headlight, SmartSense Garmin Varia eRTL 615 rear-facing radar/taillight, SmartSense 43.2Wh removable internal battery w/integrated flashlight, SmartSense SRAM AXS charging cable), large StashBag downtube storage bag, tubeless valves, Conceal Stem accessory/computer mount (Garmin/Wahoo)