2021 Trek Checkpoint ALR 5

An aluminum frame gravel bike with high-end components and hydraulic disc brakes, priced near the low end of the Checkpoint model range. Compare the full range

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2021 Trek Checkpoint ALR 5
MSRP$2,199
Weight22.4 lbs
SuspensionRigid
FrameAluminum
ForkCarbon
Wheels700c
Tires40c
Tire Clearance45c
Drivetrain2 × 11
GroupsetGRX 800, GRX 600
BrakesHydraulic Disc

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Gearing

2 × 11 — 22 speed

Checkpoint ALR 5

36 mph

Similar Bikes

36 mph

The Checkpoint ALR 5 is easier to ride up hills than similar bikes.

The Checkpoint ALR 5 is geared about the same as similar bikes for riding downhill.


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$500$1,000$1,500$2,000
This bike
Other gravel bikes

Reviews

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

September 2021

Canadian Cycling Magazine
Trek Checkpoint SL 6: A first look at the new do-it-all gravel bike

Also, a tour of the revamped Trek Checkpoint lineup of bikes and Adventure bags for mixed-surface adventures

Read Full Review

September 2021

Gran Fondo
Trek present the new Checkpoint gravel bike family – For racers, adventurers and everyone in between

Trek present the new 2022 Checkpoint gravel bike range. Read on for all the details on the new SLR, SL and ALR models.

Read Full Review

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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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

February 2020

BikeRadar
Trek Checkpoint AL 4 review

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

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

Read Full Review

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
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

300 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, 3S chain keeper, rack and fender mounts, flat mount disc, horizontal sliding dropouts, 142x12mm thru axle

BB StandardBB86/BB92, press-fit

Tire Clearance45c

Fork

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

Bottom Bracket

Shimano RS500, 86mm, PressFit

Headset

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

Stem

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, Blendr compatible, 7 degree, 100mm length; Size: 61, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 110mm length

Handlebar

Size: 49, Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 38cm width; Size: 52, Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 40cm width; Size: 54, 56, Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 42cm width; Size: 58, 61, Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 44cm width

Saddle

Bontrager Montrose Comp, steel rails, 138mm width

Seatpost

Bontrager Comp, 6061 alloy, 27.2mm, 8mm offset, 330mm length

Groupset
Rear Derailleur

Shimano GRX RX810, long cage, 34T max cog

Front Derailleur

Shimano GRX RX810, braze-on

Crank

Size: 49, Shimano GRX RX600, 46/30, 165mm length; Size: 52, Shimano GRX RX600, 46/30, 170mm length; Size: 54, 56, Shimano GRX RX600, 46/30, 172.5mm length; Size: 58, 61, Shimano GRX RX600, 46/30, 175mm length

Shifters

Shimano GRX RX600, 11 speed

Cassette

Shimano 105 HG700-11, 11-34, 11 speed

Chain

Shimano 105 HG601, 11 speed

Brakes

Shimano RX400 hydraulic disc, flat mount

Wheels
Rims

Bontrager Tubeless Ready, 28-hole, 17mm width, presta valve

Spokes

14g stainless steel

Front Hub

Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle

Rear Hub

Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle

Tires

Bontrager GR1 Comp, wire bead, 60 tpi, 700x40c

Disk Rotors

Shimano SM-RT70, centerlock, 160mm

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2021 Trek Checkpoint ALR 5
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