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'An excellent gravel race bike'
'Trek's new Checkpoint SLR 9 eTap is an excellent gravel race bike, built with features and geometry that calm rough surfaces without the handling feeling vague or sluggish. After two months on it, I can say that the bike we named the 2021 VeloNews Bike of the Year has only got better.
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4.5/5
"What Trek gets right with the Checkpoint is the handling, the comfort, the storage options and the flexibility to alter the cockpit or the drivetrain. The attention to detail... is welcome and warranted for a top-end machine."
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'One of the best gravel bikes I’ve been on'
'Overall, the new Checkpoint is a wonderful gravel bike. It’s faster, handles better and is more suited to the needs of today’s gravel rider.'
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"More capable… easier to ride on fast on unpaved surfaces"
"As with other bikes with similarly long front ends, the revamped Checkpoint is easier and more confidence-inspiring to ride off-road on even moderately steep or loose terrain than before."
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"Progressive geometry and frame storage"
"Trek has revamped its Checkpoint line-up, with the updated gravel bike coming in not one but three different flavours, catering for the needs of go-fast racers, rough-and-ready adventurers and riders looking for a versatile N+1."
Read moreMore options
Checkpoint-compatible accessories
Whether your adventures take you on gravel or tarmac, to the back country or front country – here are the accessories you need to make sure that your Checkpoint is always ready.
Shop nowService manual
Time to get out the repair stand for some maintenance? Find a detailed breakdown of your bike with part numbers, torque values and platform-specific tech instructions below.
Get it hereThe beginner’s guide to racing on gravel
Whether you're racing for the win or for the joy of getting out on two wheels with hundreds of like-minded riders, getting started with gravel racing is easy – it just takes some planning.
Read moreProduct features
New progressive geometry
For quick, nimble handling that still keeps you stable and in control on rougher descents.
Tyre clearance
Lots of clearance means you can run meatier tyres (700x45 mm or 27.5x2.1") for tackling chunkier gravel and terrain.
Tons of mounts
Integrated frame bag and mudguard mounts make it easy to carry gear and water.
Don’t forget your pedals
This bike doesn’t come with pedals because you’ll have a better time on your new bike if you choose your own. See the pedal guide to find the best pedals for your riding style.
Adventure-ready gear
Deck out your Checkpoint ALR with our favourite compatible accessories
Shop now300 Series Alpha Aluminium
Trek’s premium-grade aluminium is hydroformed into size-specific tubes that provide the perfect balance of stiffness and weight.
Learn moreGravel Specific Tyres
Wider gravel-specific tyres provide better traction and more stability while riding on gravel or dirt tracks.
Flat Mount disc brakes
All-new Flat Mount disc brakes are more elegant, lighter, smaller and cleaner than traditional disc brakes, providing superior performance and stopping power under harsh conditions.
Tubeless Ready rims
Bontrager TLR (Tubeless Ready) Road is the first fully integrated tubeless system for road wheels. When you go tubeless with TLR, you can run lower tyre pressure for increased traction and comfort without the threat of pinch flats.
Blendr-compatible stem
Bontrager Blendr stem technology lets you clip your gear directly to the stem for clean looks and maximum user friendliness.
| 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 | Checkpoint carbon, tapered carbon steerer, rack mounts, mudguard mounts, flat-mount disc, 12x100 mm thru axle |
| Hub front | Bontrager alloy, sealed bearing, CentreLock disc, 100x12 mm thru axle |
|---|---|
| Skewer front | Bontrager Switch thru axle, removable lever |
| Hub rear | Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Rim | Bontrager Paradigm, Tubeless Ready, 24-hole, 21 mm width, Presta valve |
| Tyre | Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40 mm |
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Max tyre size | See service manual |
| Shifter | SRAM Apex, 11-speed |
|---|---|
| Rear derailleur | SRAM Apex 1, long cage, 42T max cog |
| *Crank |
Size:
49 SRAM Apex 1, 40T, DUB Wide, 165 mm length |
|
Size:
52 SRAM Apex 1, 40T, DUB Wide, 170 mm length |
|
|
Size:
54, 56 SRAM Apex 1, 40T, DUB Wide, 172.5 mm length |
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|
Size:
58, 61 SRAM Apex 1, 40T, DUB Wide, 175 mm length |
|
| Bottom bracket | SRAM DUB, T47 threaded, internal bearing |
| Cassette | SRAM PG-1130, 11-42, 11-speed |
| Chain | SRAM PC-1130, 11-speed |
| Max. chainring size | 1x: 44T (SRAM), 50T (Shimano), 2x: 50/34 |
| *Saddle |
Size:
49, 52 Bontrager Verse Comp, steel rails, 155 mm width |
|---|---|
|
Size:
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 |
Size:
49 Bontrager Elite Gravel, 38 cm width |
|
Size:
52 Bontrager Elite Gravel, 40 cm width |
|
|
Size:
54, 56 Bontrager Elite Gravel, 42 cm width |
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|
Size:
58, 61 Bontrager Elite Gravel, 44 cm width |
|
| Handlebar tape | Bontrager Supertack Perf tape |
| *Stem |
Size:
49 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length |
|
Size:
52, 54 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length |
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|
Size:
56, 58 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
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|
Size:
61 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length |
|
| 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 |
| Weight | 56 - 9.91 kg / 21.85 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). |