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Trek Checkpoint ALR 4

Trek Checkpoint ALR 4
  • Color: Matte Deep Dark Blue
  • Color: Matte Galactic Grey
  • Color: Satin Power Surge
$2,399.99
Wheel Size:
700c
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Details

Checkpoint ALR 4 is the best value gravel bike in the lineup. Kitted out with a 300 Series Alpha Aluminum frame, Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Tons of features like tubeless-ready wheels, a SRAM Apex 11-speed drivetrain, and mechanical disc brakes make Checkpoint ALR 4 the perfect ride for ease of entry into the wide world of gravel. 

It's right for you if...
You want to make the jump into the wide world of gravel and also want a fully capable bike for tackling century rides and the daily commute, too. Checkpoint ALR 4 is your ticket to turning every ride into an adventure.

The tech you get
A responsive 300 Series Alpha Aluminum frame, hidden cables that won't interfere with bags, integrated rack, fender, and frame bag mounts, a 1x11 speed SRAM Apex drivetrain for smooth shifting on punchy climbs and variable terrain, mechanical disc brakes for ease of stopping quick in all conditions, tubeless ready rims, and wide Bontrager GR1 Team Issue 700x40c gravel tires for added comfort and traction.

The final word
If you're ready to start exploring every road while taking on the daily grind, Checkpoint ALR 4 is your wallet-friendly ride. Versatility is the name of the game and a durable alloy frame, mounts for all kinds of accessories, and wide tires make for comfort and customization wherever the road, or lack thereof takes you.

Why you'll love it
- The durable and capable 300 Series Alpha Aluminum frame makes for a fun, stable, and responsive ride
- You get serious versatility that's suited for a wide variety of ride styles, from gravel and bikepacking to daily commutes
- Massive tire clearance means you can use tires up to 45c for extra traction and stability in any conditions
- Fork, top tube, and integrated frame mounts make it easy to carry gear and water
- Powerful mechanical disc brakes make stopping in all conditions easy

Features:

New progressive geometry
For quick, nimble handling that still keeps you stable and in control on rougher descents.

Tire clearance
Lots of clearance means you can run meatier tires (700x45mm or 27.5x2.1") for tackling chunkier gravel and terrain.

Tons of mounts
Integrated frame bag and fender mounts make it easy to carry gear and water.

Geometry

Sizes:
Frame size number49 cm52 cm54 cm56 cm58 cm61 cm
Wheel size 700c 700c 700c 700c 700c 700c
A — Seat tube 49 52 54 56 58 61
B — Seat tube angle 74.1° 73.7° 73.2° 72.8° 72.5° 72.1°
C — Head tube length 9 10.5 12.5 14.5 16.5 19.5
D — Head angle 71.2° 71.6° 71.8° 72.2° 72.3° 72.6°
E — Effective top tube 54.1 55.5 57 58.4 59.7 61.7
G — Bottom bracket drop 7.8 7.8 7.6 7.6 7.4 7.4
H — Chainstay length 43.5 43.5 43.5 43.5 43.5 43.5
I — Offset 4.5 4.5 4.5 4.5 4.5 4.5
J — Trail 7.4 7.1 7 6.7 6.6 6.5
K — Wheelbase 102.5 103.3 104.1 104.8 105.8 107
L — Standover 73.5 76.5 78.9 80.9 82.9 85.9
M — Frame reach 39.3 39.9 40.3 40.7 41.1 41.7
N — Frame stack 53.8 55.3 57.1 59.2 60.9 63.9
Stem length 70 80 80 90 90 100

All measurements provided in cm unless otherwise noted.
Sizes:
Frame SizeRider Height (in)Rider Height (cm)Rider Inseam (in)Rider Inseam (cm)
495'1" - 5'4" 156 - 16329" - 30"74 - 77
525'4" - 5'6" 163 - 16830" - 31"76 - 79
545'6" - 5'9" 168 - 17431" - 32"78 - 82
565'9" - 5'11" 174 - 18032" - 33"81 - 85
585'11" - 6'1" 180 - 18533" - 34"84 - 87
616'1" - 6'3" 185 - 19134" - 35"86 - 90

Specs

Pedals Sold Separately
Fork Checkpoint, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
Hubs Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle
Rims Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, Presta valve // Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21mm width, Presta valve
Stem Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length
Chain SRAM PC-1130, 11 speed
Frame 300 Series Alpha Aluminum, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm thru axle
Tires Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40mm
Brakes Tektro C550 mechanical disc brake, dual piston, flat mount // Tektro C550 mechanical disc brake, dual piston, flat mount
Rotors Tektro, centerlock, 160mm
Saddle Bontrager Verse Comp, steel rails, 145mm width
Spokes 14g stainless steel, black
Crankset SRAM Apex 1, 40T, DUB Wide, 172.5mm length
Seatpost Bontrager alloy, 27.2mm, 12mm offset, 330mm length
Shifters SRAM Apex, 11 speed // SRAM Apex, 11 speed
Handlebars Bontrager Elite Gravel, 42cm width
Tape/Grips Bontrager Supertack Perf tape
Bottom Bracket SRAM DUB, T47 threaded, internal bearing
Rear Derailleur SRAM Apex 1, long cage, 42T max cog
Cassette/Freewheel SRAM PG-1130, 11-42, 11 speed

* Subject to change without notice.

Videos

Part Numbers

Option UPC MPN Store SKU
Matte Deep Dark Blue / Matte Galactic Grey / 49cm / 700c 768682571026 5304229 20239406772E
Matte Deep Dark Blue / 52cm / 700c 768682571361 5304230 20239198101E
Matte Deep Dark Blue / 54cm / 700c 768682571002 5304231 2023950103E
Matte Deep Dark Blue / 56cm / 700c 768682570982 5304232 20239422933E
Matte Deep Dark Blue / 58cm / 700c 768682571101 5304233 20239795753E
Matte Deep Dark Blue / 61cm / 700c 768682571286 5304234 20239250780E
Matte Galactic Grey / 49cm / 700c 768682571323 5304223 20239150550Y
Matte Galactic Grey / 52cm / 700c 768682571262 5304224 20239536266Y
Matte Galactic Grey / 54cm / 700c 768682571309 5304225 20239639456Y
Matte Galactic Grey / 56cm / 700c 768682570920 5304226 20239473608Y
Matte Galactic Grey / 58cm / 700c 768682570968 5304227 20239311872Y
Matte Galactic Grey / 61cm / 700c 768682571200 5304228 20239849047Y
Satin Power Surge / 49cm / 700c 768682571125 5304235 20246196852N
Satin Power Surge / 52cm / 700c 768682571224 5304236 20246452120N
Satin Power Surge / 54cm / 700c 768682571187 5304237 20246578759N
Satin Power Surge / 56cm / 700c 768682571347 5304238 20246897797N
Satin Power Surge / 58cm / 700c 768682571248 5304239 20246397768N
Satin Power Surge / 61cm / 700c 768682589960 5304240 20246512856N

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