Trek Checkpoint ALR 4 2025

Trek Checkpoint ALR 4 2025

5304227

£2,350.00 £1,175.00 Save 50%
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Checkpoint ALR 4 is the best value gravel bike in the line-up. Kitted out with a 300 Series Alpha Aluminium frame, the Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Loads 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. The Checkpoint ALR 4 is your ticket to turning every ride into an adventure.

The tech you get

A responsive 300 Series Alpha Aluminium frame, hidden cables that won't interfere with bags, integrated rack, mudguard 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 tyres for added comfort and traction.

The final word

If you're ready to start exploring every road while taking on the daily grind, the 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 tyres make for comfort and customisation wherever the road, or lack thereof, takes you.

 

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, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
Wheels
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 Size: 49, 52, 54, 56, 58, 61
Bontrager Paradigm, Tubeless Ready, 24-hole, 21 mm width, Presta valve
Size: 49, 52, 54, 56, 58, 61
Bontrager Paradigm SL, 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, 700 x 40 c
Tyre part Bontrager TLR sealant, 180 ml/6 oz
Rim strip Bontrager Aeolus XXX rim strip
Max tyre size 700x45 mm / 650x2.10"
Drivetrain
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
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, 2x: 50/34
Components
*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
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
Size: 56, 58
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length
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
Weight 56 - 9.80 kg / 21.61 lbs (with TLR sealant, no tubes)
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

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