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Checkpoint ALR 4 is an aluminium gravel bike that offers an incredible amount of capability for the price.
Checkpoint ALR 4 is an aluminium gravel bike that offers an incredible amount of capability for the price.
Trek

Trek Checkpoint ALR 4 Aluminium Gravel Bike in Deep Dark Blue

£1,450.00
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Trek Checkpoint ALR 4 Aluminium Gravel Bike in Galactic Grey
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

Returns

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.

It is your responsibility to ensure that the item is returned to us in a safe and secure manner, and in the event of a refund or exchange, in saleable condition (in original packaging and including all warranty, cards, manuals and accessories).

Customers are accountable for return shipping charges.

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

Return Items by Post

  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 4 Aluminium Gravel Bike in Deep Dark Blue

Season:2025

Brand:Trek

Code:41513BLU

Checkpoint ALR 4 is an aluminium gravel bike that offers an incredible amount of capability for the price.

It's built for the rigours of gravel and dirt roads, but it's also right at home on morning commutes and centuries. This bike knows no boundaries, which makes it the ideal gateway to adventure on any road or path.


Technical Information
  • Frame
    300 Series Alpha Aluminium, tapered head tube, Control Freak internal routing, 3S chain keeper, rack and fender mounts, flat mount disc, horizontal sliding dropouts, 142x12 mm thru-axle
  • Fork
  • Size: 49, 52, 54, 56, 58, 61
    Carbon, tapered alloy steerer, rack mounts, mudguard mounts, flat-mount disc, 12x100 mm thru axle
  • Size: 49, 52, 54, 56, 58, 61
    Checkpoint carbon, tapered alloy steerer, rack mounts, mudguard mounts, flat-mount disc, 12x100 mm thru axle
  • Frame fit
    Gravel
  • Weight
    56 - 10.26 kg / 22.62 lbs
  • Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).
  • Shifter
    Shimano GRX RX400, 10 speed
  • Front derailleur
    Shimano GRX RX400, braze-on
  • Rear derailleur
    Shimano GRX RX400, long cage, 36T max cog
  • Crank
  • Size: 49
    Shimano GRX RX600, 46/30, 165 mm length
  • Size: 52
    Shimano GRX RX600, 46/30, 170 mm length
  • Size: 54, 56
    Shimano GRX RX600, 46/30, 172.5 mm length
  • Size: 58, 61
    Shimano GRX RX600, 46/30, 175 mm length
  • Bottom bracket
    Shimano RS500, 86 mm, PressFit
  • Cassette
    Shimano Tiagra HG500, 11-34, 10 speed
  • Chain
    KMC X10
  • Max. chainring size
    1x: 44T, 2x: 50/34
  • Hub front
    Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle
  • Skewer front
    100x12 mm thru-axle
  • Hub rear
    Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle
  • Skewer rear
    142x12 mm thru-axle, 174 mm length
  • Rim
    Bontrager Tubeless Ready, 28-hole, 17 mm width, Presta valve
  • Spokes
    14 g stainless steel, black
  • Tyre
    Bontrager GR1 Comp, wire bead, 60 tpi, 700x40 c
  • Max tyre size
    45mm (49 & 52cm: 40mm due to toe overlap)
  • Saddle
    Bontrager Montrose Comp, steel rails, 138 mm width
  • Seatpost
    Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length
  • Handlebar
  • Size: 49
    Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 38 cm width
  • Size: 52
    Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 40 cm width
  • Size: 54, 56
    Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 42 cm width
  • Size: 58, 61
    Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 44 cm width
  • Handlebar tape
    Bontrager Supertack Perf tape
  • Stem
  • Size: 49
    Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length
  • Size: 52, 54
    Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length
  • Size: 56, 58
    Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length
  • Size: 61
    Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 110 mm length
  • Brake
    Shimano RX400 hydraulic disc
  • Brake rotor
    Shimano RT70, CentreLock, 160 mm
  • Rotor size
    Max brake rotor sizes: 160mm front & rear
Sizing Information
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