The Madone SLR is Trek's best and lightest aero road frame, but it's the all-new IsoFlow technology that really sets this bike apart. It adds compliance for a more comfortable ride with impressive aerodynamics.Key Features & Benefits:800 Series OCLV Carbon:Trek's lighest-ever laminate, making the Madone faster on any terrain, in any conditionDeep Carbon Rims: Reduce aerodynamic drag so you can ride faster and race to the top of the podiumWireless SRAM Force eTap AXS Drivetrain: Keeps your cockpit clean and tidy while allowing custom tuning – plus, it comes equipped with power meter cranks to track performance metricsFull Specification:Frame: 800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, IsoFlow seat tube, invisible cable routing, 3S aero chain keeper, T47 BB, flat mount disc, 142x12mm thru axle.Frame Fit: H1.5 RaceFork: Madone KVF full carbon, tapered carbon steerer, internal brake routing, flat mount disc, carbon dropouts, 12x100mm thru axleNumber of Gears: 24Gear Shifters: SRAM Force eTap AXS, 12-speedChainset: SRAM Force AXS Power Meter, 48/35, DUBChainrings: 48/35Rear Cassette: SRAM XG-1270, 10-33, 12-speedChain: SRAM Force, 12-speedFront Derailleur: SRAM Force eTap AXS, braze-onRear Derailleur: SRAM Force eTap AXS, 36T max cogBottom Bracket: SRAM DUB, T47 threaded, internal bearingPedals:Not supplied:Shop pedals hereRims: Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless ReadyFront Wheel:Bontrager Aeolus Pro 51, OCLV Carbon, Tubeless Ready, 100x12mm thru axleRear Wheel:Bontrager Aeolus Pro 51, Tubeless Ready, Centerlock Disc, SRAM XDR driver, 142x12mm thru axleFront Tyre: Bontrager R3 Hard-Case Lite, aramid bead, 120 tpi, 700x25 cRear Tyre: Bontrager R3 Hard-Case Lite, aramid bead, 120 tpi, 700x25 cBrakes: SRAM CenterLine X, CenterLockHandlebars: Madone Integrated handlebar/stem, OCLV CarbonHandlebar Grips: Bontrager Supertack Perf tapeHeadset: Madone SLR headsetStem: Madone Integrated handlebar/stem, OCLV CarbonSaddle: Bontrager Aeolus P2 EliteSeatpost: Madone aero carbon internal seat mast cap, integrated light mount, 0 mm offsetAccessories: SRAM eTap battery pack (with charger)Weight:56 - 7.76 kg / 17.11 lbs