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The Checkpoint ALR 5 is an aluminium gravel bike built for venturing anywhere. It pairs modern endurance geometry with a carbon fork.
The Checkpoint ALR 5 is an aluminium gravel bike built for venturing anywhere. It pairs modern endurance geometry with a carbon fork.
Trek

Trek Checkpoint ALR 5 Gen 3 Gravel Bike in Bronze Age

£1,700.00
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In the unlikely event that you are dissatisfied with your purchase please feel free to return your goods within 30 days of the purchase date for a full exchange or refund. Any item (excluding food and underwear) can be returned to us for any reason provided it is returned in ‘showroom condition’, with its original packaging, tags and a valid receipt/delivery note.

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If you purchased an item in one of our stores, you may return the items to either of our stores.

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  1. You should always keep proof of postage and we advise you to use a ‘signed for service’ when returning goods.
  2. Send your package using a recorded delivery method (always keep a copy of your receipt!) to the following address.
South Downs Bikes
Internet Department
28 West Street
Storrington
West Sussex
RH20 4EE

If you wish to return your bike to us please keep it in the box it arrived in and contact us and we will arrange a collection.

Please note the following:

  • a) If we have sent you the incorrect bicycle, we will cover the cost of collection and delivery of the correct model.
  • b) If we have delivered the bicycle you ordered, but upon inspection you decide it is not the bike for you, we will charge you £50.00 for the collection.

Please do not ride the bike as a full refund cannot be given if the bike has been used or damaged.

Trek Checkpoint ALR 5 Gen 3 Gravel Bike in Bronze Age

Season:2026

Brand:Trek

Code:49946BNZAGE

The Checkpoint ALR 5 is an aluminium gravel bike built for venturing anywhere.

This bike pairs modern endurance geometry with a carbon fork for road-smoothing comfort, while 50 mm of tyre clearance gives you room for tons of grip. It comes equipped with SRAM Apex XPLR 12-speed shifting, hydraulic disc brakes, Tubeless Ready Bontrager Paradigm wheels and loads of mounts for bags and gear.

You are ready to explore the roads less travelled and want a versatile aluminium bike that is built to tackle it all. You want confident geometry that keeps you comfortable on gravel or rough roads and upgraded components where it matters most, like 12-speed SRAM Apex XPLR shifting.

A 300 Series Alpha Aluminium frame with a full carbon fork, with clearance for up to 50 mm tyres. Upgraded SRAM Apex XPLR 12-speed shifting, hydraulic disc brakes, Bontrager Paradigm wheels with Bontrager Girona Pro Tubeless Ready tyres, plus mounts for loading up with bags, racks and gear.

Want a ride that balances price and performance? The Checkpoint ALR 5 delivers with endurance gravel geometry, upgraded components and an Alpha Aluminium frame that is durable, comfortable and easier on the planet.

Features:

  • The Checkpoint ALR features the same updated endurance geometry as its carbon sibling, giving you comfort and control in the rough stuff.
  • You get road-smoothing comfort from a full carbon fork and clearance for up to 50 mm tyres.
  • It is specified with 12-speed SRAM Apex XPLR shifting that is extra durable and provides plenty of gears for steep climbs and long grinds alike.
  • Lots of mounts on the frame and fork give you places to load up for epic bikepacking adventures or commuting around town.
  • Trek's premium-grade 300 Series Alpha Aluminium is hydroformed into size-specific tubes that provide the perfect balance of stiffness and weight.
  • Wider gravel-specific tyres provide better traction and more stability while riding on gravel or dirt tracks.
  • 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, allowing 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.
Technical Information
  • Frame
    300 Series Alpha Aluminium, Internal cable routing, 3S chain keeper, T47, UDH, rack and mudguard mounts, integrated frame bag mounts, flat-mount disc, 142x12 mm chamfered thru axle
  • Fork
    Trek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
  • Weight
    ML – 9.87 kg/21.76 lb (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: XS, S: SRAM Apex 1, 40T, DUB Wide, 165 mm length; Size: M, ML: SRAM Apex 1, 40T, DUB Wide, 170 mm length; Size: L, XL: SRAM Apex 1, 40T, DUB Wide, 172.5 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:44 2x: 46/30
  • Hub front
    Bontrager alloy, sealed bearing, CentreLock disc, 100x12 mm thru axle
  • Skewer front
    Bontrager Switch chamfered thru axle, removable lever
  • Hub rear
    Bontrager alloy, sealed bearing, CentreLock disc, Shimano 11-speed freehub, 142x12 mm thru axle
  • Skewer rear
    Bontrager Switch chamfered thru axle, removable lever
  • Rim
    Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23 mm width, Presta valve
  • Spokes
    14 g stainless steel, black
  • Tyre
    Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42 mm
  • Tyre part
    Bontrager TLR sealant, 180 ml/6 oz
  • Max tyre size
    50 mm without mudguards, 42 mm with mudguards (as measured, see manual for details)
  • Saddle
    Verse Short Comp, steel rails, 145 mm width
  • Seatpost
    Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
  • Handlebar
    Size: XS: Bontrager Elite Gravel, alloy, 40 cm width; Size: S, M: Bontrager Elite Gravel, alloy, 42 cm width; Size: L: Bontrager Elite Gravel, alloy, 44 cm width; Size: XL: Bontrager Elite Gravel, alloy, 46 cm width
  • Handlebar tape
    Bontrager Supertack Perf tape
  • Stem
    Size: XS: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length; Size: S, M: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length; Size: ML, L: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90mm length; Size: XL: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100mm length
  • Brake
    SRAM Apex D1 hydraulic disc, flat mount
  • Brake rotor
    SRAM Paceline, rounded, CentreLock, 160 mm
  • Brake lever
    SRAM Apex, 12 speed
  • Rotor size
    Max brake rotor sizes: 180 mm front and rear
Sizing Information
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