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The short version

  • Best for: gravel and bikepacking riders who value wireless shifting and wide gearing but prefer a rigid fork and do not need the SL 7's carbon wheels
  • How the electrical assistance is delivered: confirm the exact motor and UK assistance configuration
  • Battery and charging capacity: TQ 360 Wh
  • Main trade-off: Same 360Wh battery and alloy wheels as the cheaper SL 5
01

Where the Checkpoint+ SL 6 AXS fits

The clearest match is gravel and bikepacking riders who value wireless shifting and wide gearing but prefer a rigid fork and do not need the SL 7's carbon wheels. Compare the complete specification and available independent coverage before choosing a size or variant.

Electric all-road bicycle beside a country lane and gravel track
RideIn contextual image for the Trek Checkpoint+ SL 6 AXS review; it may not show the exact build.
02

Motor, controls and UK legality

The available specification does not identify the motor precisely. The controls are TQ LED display with Bluetooth & ANT+ connectivity.

The compact TQ HPR60 delivers up to 60Nm and 350W peak, with discreet controls positioned so assistance can be changed without leaving the hoods. Independent Checkpoint+ testing characterises it as quiet and natural, giving useful help into wind or uphill without overwhelming normal gravel-bike handling.

Its 200 per cent maximum assistance is modest beside full-power e-MTB systems, which keeps the experience rider-led but demands sensible gearing on steep loaded climbs. The 10-52T cassette is well matched to that purpose.

For use as an electrically assisted pedal cycle in Great Britain, the maximum continuous rated motor power must not exceed 250W, assistance must cut out by 15.5mph and the pedals must be able to propel the bike. Check the label and delivered configuration rather than relying on a category name.

Trek Checkpoint+ SL 6 AXS specification checked for this review
Listed price£5,000
MotorNot stated for the UK-delivered configuration in the accessible the seller listing; other source material names TQ-HPR60, 60 Nm.
BatteryTQ 360 Wh
Range informationUp to 50 miles (80 km) on the internal battery, or up to 90 miles (145 km) with the optional range extender.
ControllerTQ LED display with Bluetooth & ANT+ connectivity
Frame500 Series OCLV Carbon, TQ drive system, IsoSpeed, hidden mudguard mounts, rack mounts, integrated frame bag mounts, invisible cable routing, flat-mount disc, integrated chainkeeper, UDH, 142x12 mm chamfered thru axle
TransmissionSpecification conflict: the seller names a 13-speed control but lists a 12-speed cassette, chain and derailleur. Confirm the supplied AXS build.
BrakesNot stated precisely in the accessible the seller listing
TyresBontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm
Fork and suspensionCheckpoint full carbon, tapered carbon steerer, mudguard mounts, triple rack mounts, flat-mount disc, 12x100 mm chamfered thru axle
Complete-bike weight13.76 kg in size ML, measured with tubeless-ready sealant and no tubes.
Listed sizesL
Listed coloursFjord Blue 26
03

Battery, charging and realistic range

The listed battery is TQ 360 Wh. Up to 50 miles (80 km) on the internal battery, or up to 90 miles (145 km) with the optional range extender.

The integrated 360Wh battery is unchanged from the cheaper SL 5, so the extra spend does not buy more electrical range. It keeps the chassis slender and supports day rides, but repeated climbing and high assistance can consume the reserve quickly.

Trek supports a 160Wh range extender for longer use. Carrying the charger or extender should form part of a bikepacking plan, and the quoted maximum range should be treated as a favourable-condition estimate rather than an itinerary guarantee.

Use only the approved compatible charger, charge away from escape routes and stop using a battery that is damaged, swollen, leaking or unusually hot. Ask for the replacement-pack price and warranty conditions before the original battery becomes a problem.

04

Frame, fit and ride character

The frame specification is 500 Series OCLV Carbon, TQ drive system, IsoSpeed, hidden mudguard mounts, rack mounts, integrated frame bag mounts, invisible cable routing, flat-mount disc, integrated chainkeeper, UDH, 142x12 mm chamfered thru axle. Fork and suspension details are Checkpoint full carbon, tapered carbon steerer, mudguard mounts, triple rack mounts, flat-mount disc, 12x100 mm chamfered thru axle. The tyres are Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm.

The rigid carbon fork, rear IsoSpeed and 42mm tubeless-ready tyres keep this closer to a conventional adventure gravel bike than the suspended SL 7. Wireless shifting is crisp and convenient, while the 10-52T spread gives more low-gear margin than a close-ratio road setup.

The SL 6 uses the same alloy Paradigm Comp wheels as the SL 5, so the principal ride upgrade is shifting rather than reduced rotating mass or additional front-end compliance. Riders who do not care about AXS may find the mechanical model equally satisfying.

Electric gravel bicycle with bikepacking luggage on a Yorkshire track
RideIn contextual image for the Trek Checkpoint+ SL 6 AXS review; it may not show the exact build.
05

Brakes, transmission and everyday equipment

The available specification does not identify the brakes precisely. The exact transmission should be confirmed before purchase. The equipment information is Bontrager carbon, 27.2 mm, 8 mm offset, 330 mm length.

Rack, mudguard, frame-bag and triple fork mounts make the rigid build particularly adaptable for luggage. A UDH-compatible frame and widely used SRAM Eagle Transmission architecture also give a clear replacement path, though electronics need charged batteries and compatible diagnostic support.

The seller calls the Rival control 13-speed while listing a 12-speed chain, cassette and GX derailleur, and its own description calls the drivetrain 12-speed. That is almost certainly a data inconsistency, but the actual controls and firmware compatibility should be confirmed rather than guessed.

06

What the published evidence tells us

The recorded price for this build is £5,000. Prices can differ by colour or size, and stock can change; a discount against a reference price does not by itself establish value.

The seller and Trek agree on the central SL 6 AXS platform, and independent Checkpoint+ reviews support the motor and chassis conclusions. The published drivetrain-speed mismatch is preserved here because no editorial source can responsibly resolve the exact stock build without inspecting it.

Independent reports cover the Checkpoint+ family and, in some cases, other trims. Use them for shared-system context, then judge this precise component package and support terms separately.

Mechanic checking the motor and suspension on an electric bicycle
RideIn contextual image for the Trek Checkpoint+ SL 6 AXS review; it may not show the exact build.
07

Advantages and disadvantages

The useful comparison is whether the complete build suits the regular route, storage and service plan. A premium motor cannot compensate for poor fit, while a modest component can be entirely sensible on the right type of bike.

  • Advantage: Smooth and unobtrusive TQ HPR60 assistance
  • Advantage: Wireless wide-range SRAM drivetrain
  • Advantage: Carbon frame, IsoSpeed and useful luggage mounts
  • Advantage: Rigid fork preserves direct handling and fork cargo mounts
  • Disadvantage: Same 360Wh battery and alloy wheels as the cheaper SL 5
  • Disadvantage: Wireless shifting adds charging and electronic-service duties
  • Disadvantage: the seller drivetrain-speed data is internally inconsistent
  • Disadvantage: No front suspension for repeated rough impacts
08

Buying checks and RideIn verdict

Confirm the exact product code, frame size, colour, battery capacity, assistance configuration and included equipment before paying. Ask who will handle electrical diagnosis, warranty labour and replacement components, then test the brakes, controls and fit before committing to regular use.

A coherent middle Checkpoint+ for riders who genuinely want AXS; otherwise the SL 5 preserves most of the ride and utility for less money, while the SL 7 adds more meaningful chassis hardware.

Evidence basis

Technical and safety references

RideIn compared the captured retailer listing with the cited manufacturer and independent material. RideIn has not ridden this individual bike, and independent coverage of another year or build is used only as context, not as proof of this model's performance. The retailer source remains visible because it is the evidence for the recorded price, size and build snapshot.