Checkpoint ALR 3
When it comes to gravel bikes, the Checkpoint ALR 3 is extremely affordable. With its 300 Series Alpha Aluminum frame, this model functions just as well on asphalt roads as it does on rough gravel trails. The 2x9-speed Shimano drivetrain and mechanical disc brakes provide a dependable and affordable riding experience, and the tubeless-ready wheels give additional defense against punctures on tough terrain.
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Overview
Features
Specs
Sizing
Geometry
It's so perfect
You’re ready to dive into the expansive world of gravel riding, exploration, and even unconventional daily commutes, all without spending a fortune.
The technology you get
This bike comes with a responsive 300 Series Alpha Aluminium frame, hidden cables that won’t obstruct your bags, and integrated mounts for racks, mudguards, and frame bags. It features a 2x9 Shimano Sora drivetrain for smooth shifting on varied terrain and climbs, mechanical disc brakes for reliable stopping power in any condition, tubeless-ready rims, and wide Bontrager Girona Pro 700x42c gravel tires for enhanced comfort and grip.
Generally
There's no better place to start discovering off-the-beaten paths than Checkpoint ALR 3. This affordable gravel bike is perfect for everything from rough commuting to thrilling gravel adventures thanks to its sturdy, comfy frame and affordable parts.
Why would you love it?
There's no better place to start discovering off-the-beaten paths than Checkpoint ALR 3. This affordable gravel bike is perfect for everything from rough commuting to thrilling gravel adventures thanks to its sturdy, comfy frame and affordable parts.
The Walkthrough
New progressive geometry
We guarantee you stability and control over rugged slopes.
Tyre clearance
Lots of clearance means using larger tyres (700x45 mm or 27.5x2.1 inch), to handle gravel and terrain in a safer way.
Tons of mounts
The frame bag and mudguard provide easy-to-carry gear and water.
300 Series Alpha Aluminum
Trek uses the 300 Series Alpha Aluminum to hydroformed into specific-size tubes to strike the perfect balance between hardness and weight.
Gravel Specific Tyres
The tyres are high-quality rubber to resist off-road and achieve balance on gravel and dirt tracks.
Flat Mount disc brakes
Don't worry about the harsh conditions when stopping; The new Flat Mount Disc Brakes are more elegant, lighter and smaller, providing you with superior power and performance when stopping.
Tubeless ready rims
Bontrager TLR tyres (Tubeless Ready) are the first integrated system to operate with low pressure to enhance stability and comfort when riding a bike without worrying about the threat of pinch flats.
Blendr Compatible Stem
Bontrager Blendr Stem technology provides you the ability to install accessories directly on Stem, for an elegant look and maximum comfort.
*Please note – spec applies to all sizes unless listed separately
- Frame
- 300 Series Alpha Aluminium, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and mudguard mounts, integrated frame bag mounts, flat-mount disc, 142x12 mm thru-axle
- Fork
- Weight
- 56 - 10.61 kg / 23.4 lbs (with TLR sealant, no tubes)
- Weight limit
- This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).
- Shifter
- Shimano Sora R3000, 9-speed
- Front derailleur
- Shimano Sora R3000, 31.8 mm clamp
- Rear derailleur
- Shimano Sora R3000, mid cage, 34T max cog
- *Crank
- Size: 49
FSA Omega, 46x30, 165 mm lengthSize: 52, 54
FSA Omega, 46x30, 170 mm lengthSize: 56, 58
FSA Omega, 46x30, 172.5 mm lengthSize: 61
FSA Omega, 46x30, 175 mm length - Cassette
- Shimano Sora HG400, 11-32, 9-speed
- Chain
- Shimano Sora HG53, 9-speed
- Max. chainring size
- See service manual
- Skewer front
- Skewer rear
- Tyre
- Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm
- Tyre part
- Bontrager TLR sealant, 180 ml/6 oz
- Rim strip
- Max tyre size
- See service manual
- *Saddle
- Size: 49, 52
Bontrager Verse Comp, steel rails, 155 mm widthSize: 54, 56, 58, 61
Bontrager Verse Comp, steel rails, 145 mm width - Seatpost
- Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
- *Handlebar
- Handlebar tape
- Bontrager Supertack Perf tape
- Brake
- Tektro C550 mechanical disc brake, dual piston, flat mount
- Brake rotor
- Tektro, CentreLock, 160 mm
- Rotor size
- Max brake rotor sizes: 160 mm front and rear
Size
49
52
54
56
58
61
Rider Height
156 - 163 cm
5'1" - 5'4"
163 - 168 cm
5'4" - 5'6"
168 - 174 cm
5'6" - 5'9"
174 - 180 cm
5'9" - 5'11"
180 - 185 cm
5'11" - 6'1"
185 - 191 cm
6'1" - 6'3"
Inseam
74 - 77 cm
29" - 30"
76 - 79 cm
30" - 31"
78 - 82 cm
31" - 32"
81 - 85 cm
32" - 33"
84 - 87 cm
33" - 34"
86 - 90 cm
34" - 35"
Geometry
All measurements provided in cm unless otherwise stated.
| Frame size number | Wheel size | A — Seat tube | B — Seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack | Stem length |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 49 cm | 700c | 49.0 | 74.1° | 9.0 | 71.2° | 54.1 | 7.8 | 43.5 | 4.5 | 7.4 | 102.5 | 73.5 | 39.3 | 53.8 | 70.0 |
| 52 cm | 700c | 52.0 | 73.7° | 10.5 | 71.6° | 55.5 | 7.8 | 43.5 | 4.5 | 7.1 | 103.3 | 76.5 | 39.9 | 55.3 | 80.0 |
| 54 cm | 700c | 54.0 | 73.2° | 12.5 | 71.8° | 57.0 | 7.6 | 43.5 | 4.5 | 7.0 | 104.1 | 78.9 | 40.3 | 57.1 | 80.0 |
| 56 cm | 700c | 56.0 | 72.8° | 14.5 | 72.2° | 58.4 | 7.6 | 43.5 | 4.5 | 6.7 | 104.8 | 80.9 | 40.7 | 59.2 | 90.0 |
| 58 cm | 700c | 58.0 | 72.5° | 16.5 | 72.3° | 59.7 | 7.4 | 43.5 | 4.5 | 6.6 | 105.8 | 82.9 | 41.1 | 60.9 | 90.0 |
| 61 cm | 700c | 61.0 | 72.1° | 19.5 | 72.6° | 61.7 | 7.4 | 43.5 | 4.5 | 6.5 | 107.0 | 85.9 | 41.7 | 63.9 | 100.0 |
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