'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.
Read more"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."
Read more"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."
Read more"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 moreTime 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 hereGear up for adventure with pedals, bags, bottles, and more — all compatible with Checkpoint.
Shop nowWhether 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 moreWilliam Harrison was just an ordinary guy with an office job. Now, he's an UNBOUND XL winner. Get the inside line on Harrison's surprise win here.
Read moreFor quick, nimble handling that still keeps you stable and in control on rougher descents.
Lots of clearance means you can run meatier tyres (700x45 mm or 27.5x2.1") for tackling chunkier gravel and terrain.
Integrated frame bag and mudguard mounts make it easy to carry gear and water.
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.
Gear up for adventure with pedals, bags, bottles and more – all compatible with Checkpoint.
Shop nowTrek’s premium-grade aluminium is hydroformed into size-specific tubes that provide the perfect balance of stiffness and weight.
Learn moreWider gravel-specific tyres provide better traction and more stability while riding on gravel or dirt tracks.
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.
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.
Bontrager Blendr stem technology lets you clip your gear directly to the stem for clean looks and maximum user friendliness.
| Frame with Fork | 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 |
| Weight | 56 - 9.71 kg / 21.41 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 | SRAM Apex, 12-speed |
|---|---|
| Rear derailleur | SRAM Apex XPLR, 44T 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 |
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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 Wide, T47 threaded, internal bearing |
| Cassette | SRAM XPLR PG-1231, 11-44, 12-speed |
| Chain | SRAM Apex, 12-speed |
| Max. chainring size | 1x: 44T (SRAM), 50T (Shimano), 2x: 50/34 |
| Hub front | Bontrager alloy, sealed bearing, CenterLock 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 |
| Spokes | 14 g stainless steel, black |
| 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 |
| *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, alloy, 38 cm width |
|
Size:
52 Bontrager Elite Gravel, alloy, 40 cm width |
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Size:
54, 56 Bontrager Elite Gravel, alloy, 42 cm width |
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Size:
58, 61 Bontrager Elite Gravel, alloy, 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 | SRAM Apex hydraulic disc, flat mount |
| Brake rotor | SRAM Paceline, rounded, CentreLock, 160 mm |
| Brake lever | SRAM Apex, 12-speed |
| Rotor size | Max brake rotor sizes: 160 mm front and rear |
