2020 Trek Checkpoint AL 3

An aluminum frame gravel bike with modest components and mechanical disc brakes, priced at the low end of the Checkpoint model range. Compare the full range

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2020 Trek Checkpoint AL 3
MSRP$1,199
Weight23.1 lbs
SuspensionRigid
FrameAluminum
ForkCarbon
Wheels700c
Tires32c
Tire Clearance38c
Drivetrain2 × 9
GroupsetSora
BrakesMechanical Disc
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Gearing

2 × 9 — 18 speed

Checkpoint AL 3

39 mph

Similar Bikes

36 mph

The Checkpoint AL 3 is geared about the same as similar bikes for riding up hills.

Similar bikes won‘t keep up with the Checkpoint AL 3 while riding downhill or sprinting.


Estimated Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more

Spec level →$0$200$400$600$800$1,000
This bike
Other gravel bikes

Reviews

February 2020

BikeRadar
Trek Checkpoint AL 4 review

All-road versatility with refined road manners for a fine riding machine

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March 2020

Cycling Tips
2020 Trek Checkpoint AL4 review: Simple and effective - CyclingTips

Trek’s Checkpoint was the most popular gravel bike of 2019, according to data Strava sent over last fall. Trek has sold a lot of them. This suggests that it’s a good bike, and indeed it is. But we found that it is good in a generic, pop-music, lowest-common-denominator, unoffensive-to-all kind of way. It takes few […]

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December 2020

Gran Fondo
Trek Checkpoint SL 7 review

Trek includes adjustable chainstays on their Checkpoint SL 7 gravel bike and offers new options for future gravel adventures like single-speed builds.

Read Full Review

September 2021

Bicycling
The New Trek Checkpoint Line Is For Gravel Riders of All Kinds

Updated geometry and differentiated models for speed, adventure, and all purpose riding

Read Full Review

March 2020

Whistler Mountain Bike
2019 TREK Checkpoint SL6 Review

Out of the saddle putting down maximum power into the Checkpoint, it feels like a nice carbon road bike.

Read Full Review

November 2018

BIKEPACKING.com
Trek Checkpoint Review (SL6): Dirt Road Rocketry

Joe tested the Trek Checkpoint SL6 on weekly fast roadie coffee shop rides, a 10-hr dirt randonee, and VT gravel/singletrack explorations. Here's the review

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September 2018

Flow Mountain Bike
Is Gravel the new Road? Updates and Upgrades to our Trek Checkpoint

Trek’s first real dedicated gravel bike, the Checkpoint is a pretty cool beast, with loads of unique frame designs to give it a very distinct feel to its road bike brethren, cyclocross cousins or anything else in the catalogue. But, after a few rides on the type of terrain that it is built for, we saw …

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August 2018

Bikerumor
Review: Trek Checkpoint SL 5 WSD gravel bike challenges a Quiver Queen’s throne

The new Trek Checkpoint gravel bike covers all the bases off road and on, making it a versatile, adjustable option that could replace several of your bikes.

Read Full Review


Geometry

Sizing
44cm

4'11" – 5'1"

49cm

5'1" – 5'5"

52cm

5'3" – 5'7"

54cm

5'5" – 5'9"

56cm

5'8" – 5'12"

58cm

5'10" – 6'2"

61cm

6'0" – 6'4"


Specs
Build
Frame

200 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, rack & fender mounts, flat mount disc, 142x12mm thru axle

BB StandardBSA, 68mm, threaded

Tire Clearance38c

Fork

Checkpoint carbon, tapered alloy steerer, rack & fender mounts, flat mount disc, 12x100mm thru axle

Bottom Bracket

Shimano RS500, 68mm, threaded external

Headset

FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom

Stem

Size: 44, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: 49, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: 52, 54, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size: 56, 58, Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 100mm length; Size: 61, Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 110mm length

Handlebar

Size: 44, Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 38cm width; Size: 49, 52, Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 40cm width; Size: 54, 56, Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 42cm width; Size: 58, 61, Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 44cm width

Saddle

Bontrager Arvada Comp, steel rails, 138mm width

Seatpost

Size: 44, 49, Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 250mm length; Size: 52, 54, 56, 58, 61, Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length

Groupset
Rear Derailleur

Shimano Sora R3000, mid cage, 34T max cog

Front Derailleur

Shimano Sora R3000, 31.8mm clamp

Crank

Size: 44, Shimano Sora R3000, 50/34 (compact), 165mm length; Size: 49, 52, 54, 56, Shimano Sora R3000, 50/34 (compact), 170mm length; Size: 58, 61, Shimano Sora R3000, 50/34 (compact), 175mm length

Shifters

Shimano Sora R3000, 9 speed

Cassette

Shimano Sora HG400, 11-32, 9 speed

Chain

Shimano Sora HG53, 9 speed

Brakes

Tektro C550 mechanical disc brake, dual piston, flat mount, 160mm rotor

Wheels
Rims

Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21mm width, presta valve

Spokes

14g aero stainless steel, black

Front Hub

Formula RX-512 alloy, 6-bolt, 100x12mm thru axle

Rear Hub

Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12mm thru axle

Tires

Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32c

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