Checkpoint ALR 5 Gen 3
OverviewAbout the Trek Checkpoint ALR 5 Gen 3
The Trek Checkpoint ALR 5 Gen 3 is a gravel bike, built on a aluminium frame, listed at $2,799.99. A drop-bar all-road bike for gravel, dirt and mixed surfaces.
SizingWhat size Checkpoint ALR 5 Gen 3 do I need?
Enter your height to see the size Trek recommends.
| Size | Rider height | In feet | Inseam |
|---|---|---|---|
| XS | 143 to 158 cm | 4 ft 8 in to 5 ft 2 in | 67 to 74 cm |
| S (49cm) | 158 to 164 cm | 5 ft 2 in to 5 ft 5 in | 74 to 77 cm |
| M (52-54cm) | 164 to 177 cm | 5 ft 5 in to 5 ft 10 in | 77 to 83 cm |
| ML (56cm) | 177 to 188 cm | 5 ft 10 in to 6 ft 2 in | 83 to 88 cm |
| L (58cm) | 188 to 194 cm | 6 ft 2 in to 6 ft 4 in | 88 to 91 cm |
| XL (61cm) | 194 to 203 cm | 6 ft 4 in to 6 ft 8 in | 91 to 95 cm |
Rider heights from Trek's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
- Brand
- Trek
- Model year
- 2026
- Category
- Gravel
- Frame
- Aluminium
- Wheel size
- 700c
- Drivetrain
- SRAM Apex XPLR 1x12
- Brakes
- Disc
- Frame sizes
- XS, S (49cm), M (52-54cm), ML (56cm), L (58cm), XL (61cm)
- Price
- $2,799.99, RRP AUD (Trek Australia, checked 16 Oct 2026)
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize M
- Stack
- 589 mm
- Reach
- 391 mm
- Stack/reach
- 1.51
- Head angle
- 71.8 deg
- Seat angle
- 73.2 deg
- Wheelbase
- 1041 mm
- Chainstay
- 435 mm
- BB drop
- 76 mm
- Standover
- 789 mm
- Fork rake
- 49 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- SRAM Apex XPLR
- Shifting
- Mechanical
- Drive
- 1x
- Speeds
- 12
- Crank
- SRAM Apex 1, 40T, DUB Wide, 170 mm length
- Chainrings
- 40
- Cassette
- SRAM XPLR PG-1231, 11-44, 12-speed
- Rear derailleur
- SRAM Apex XPLR, 44T max cog
- Brakes
- SRAM Apex D1 hydraulic disc, flat mount
- Rotors
- 160mm
- Wheelset
- Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23 mm width, Presta valve
- Stock tyre
- 700x42c
- Max tyre clearance
- 50 mm
- Tubeless
- Yes
- Fork material
- Carbon
- BB standard
- SRAM DUB Wide, T47 threaded, internal bearing
- Seatpost
- Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
- Cockpit
- Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length / Bontrager Elite Gravel, alloy, 42 cm width
- Saddle
- Verse Short Comp, steel rails, 145 mm width
- UDH
- Yes
Bike DNAWhat the numbers say
- Position
- Stack-to-reach 1.51 gives a balanced, endurance riding position.
- Steering
- A 71.8 deg head angle points to balanced steering.
- Climbing
- Lowest ratio 0.91 is a low climbing gear that still handles steep pitches.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (Trek Australia product data 49946 (spec list, geometry chart, size chart)), verified 2026-10-16. This is a specification analysis, not a physical ride review.
Where to buyStockist
BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked.
