Rating: 4.5/5

Price: $10,000

Reviewed by: Jamie Hooper

Published: August 15, 2024

Overview

The Trek Checkmate SLR 9 AXS replaces the Checkpoint SLR as Trek’s dedicated gravel race machine. Designed for pure performance with the aerodynamic integration of the Madone SLR and the comfort of IsoSpeed, the Checkmate brings a race-focused mindset to a platform still grounded in versatility.

With tire clearance up to 45mm, mounts for bags and mudguards, and Trek’s Project One customizability, it straddles the line between aggressive speed and practical gravel capability. At $10,000, it carries a premium price tag, but its specification and pedigree make a strong case.

Pros and Cons

• Pros: Aerodynamic and integrated design, stable yet quick handling, exceptional SRAM Red XPLR AXS performance, generous tire clearance, full mount suite.
• Cons: Stiff cockpit can feel harsh, polarizing bar top shape, no Shimano or Campagnolo build options.

Frame and Design

The Checkmate’s 800-series OCLV carbon frame weighs a claimed 1,223g in M/L, painted. It features ‘Full System Foil’ tubing, mudguard and top-tube bag mounts, and IsoSpeed compliance built in at the rear. Its understated finish and aerodynamic lines deliver a visually sleek but muscular aesthetic.

Clearance for 45mm tires ensures compatibility with modern gravel trends, while a UDH-compatible dropout allows future drivetrain flexibility. While it’s not designed to accept Shimano or Campagnolo, the SRAM-only build approach ensures total integration for wireless systems.

Build Specification

• Groupset: SRAM Red XPLR AXS 1×12 with 10–46T cassette
• Power Meter: SRAM modular crankset with integrated power
• Wheels: Bontrager Aeolus RSL 37V TLR Disc (1,355g claimed)
• Tyres: Bontrager GR1 Team Issue 40mm (test spec)
• Handlebar: Trek Aero RSL integrated cockpit (41cm hoods, 44cm drops)
• Saddle: Bontrager Aeolus Pro
• Weight: 7.82kg (no pedals)

On the Trail

The Checkmate feels like a carbon road racer with chunky tires. On smoother gravel and paved sections, it accelerates effortlessly. The handling is nimble but not twitchy thanks to the stretched front-center and 72-degree head angle.

The IsoSpeed decoupler keeps vibrations under control without feeling sluggish. The Aero RSL cockpit is impressively stiff, which some riders may find too harsh on rougher terrain, but it contributes to razor-sharp responsiveness.

The SRAM Red XPLR AXS drivetrain performs flawlessly. Shifts are instantaneous, braking is strong and modulated, and the modular power meter is a welcome touch for serious racers.

Bottom Line

The Trek Checkmate SLR 9 AXS delivers the goods for serious gravel racers looking for speed, aero advantage, and integrated tech in a sleek chassis. It’s not for the adventure-minded or those needing mechanical options, but as a race-day machine, it’s fast, composed, and beautifully refined. It’s a worthy contender among today’s elite gravel bikes.

Price: $10,000 USD

Weight: 7.82kg (Large, no pedals)

Available Sizes: XS, S, M, M/L, L, XL