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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 Galactic Grey

£1,450.00
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

Hassle Free Returns

We want you to be 100% happy with your shopping experience and we will provide a FREE exchange or refund on any item (within the UK), if returned withing 14 days of delivery.

Please insert your proof of purchase into the package and return it to us. If you wish to exchange an item for any reason, the quickest and simplest way to do this is to place a new order for the items that you want and to return the other items for a refund. Please note that it is your responsibility to pay for the return postage costs no postage costs are refundable. We cannot assume responsibility for returned items that are lost in the post. Your statutory rights are not affected.

  • All goods will be inspected upon return
  • Goods can be tried on for sizing but not worn for activity – Please do not wear items next to the skin when trying on for hygiene reasons, shorts MUST be tried on with clean underwear
  • Goods must be returned with all original packaging intact and tags attached within 14 days of purchase. Goods returned with incomplete or damaged packaging or missing or unattached tags may be refused or subject to a restocking fee
  • In the unlikely event that an item is returned to us in an unsuitable condition, we may have to send it back to you
  • Goods returned as unused/unworn, that have clearly been worn or washed may be refused
  • Goods returned without a returns form fully completed could delay the process of your return/exchange
  • If you pay for a delivery service, we will not refund the delivery cost unless the item is faulty or the incorrect item has been sent to you
  • We cannot accept out-of-date or opened nutrition products
  • Bikes may be subject to a restocking fee.

Bontrager 30 day InForm Guarantee

Bontrager offers a 30-day satisfaction guarantee on all Inform labeled Footwear, Clothing, and saddles to help you reach the ultimate fit.

  • Guarantee valid for in-store purchase only
  • You have 30 days from the date of purchase to return the items to the store
  • Make sure you return it with proof of purchase (receipt) and the original packaging (in good condition)
  • You will be given a credit towards a new Bontrager Product

CONTACT US

We are here to help! Please email us at enquiries@pedalworks.co.ukor call 01582 478070

Trek Checkpoint ALR 4 Aluminium Gravel Bike in Galactic Grey

Season:2025

Brand:Trek

Code:41513GRY

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

We know that when you're looking for a bike, you want one you can depend on. We also understand that getting the right size means you'll be more comfortable and more confident when tackling hills, roads, and trails. That's why we've made it our mission to bring you the best bikes at the best prices—and to make sure that your bike fits you perfectly. In order to do this, we've created this sizing guide so that all of our customers can find the perfect fit for their needs. Of course, we're also always here if you need any help or advice. This is a guide and is a good starting point to finding the right bike for you and often is spot-on! However, if you need help, advice, or customisation - Pedalworks is here to help!

Contact us on 01582 478070 or send us a question on our contact us form.

ROAD BIKES

Framesize47cm50cm52cm54cm56cm58cm60cm62cm
Height152-158cm158-163cm163-168cm168-174cm174-180cm180-185cm185-190cm190-195cm
Inseam71-75cm74-77cm76-79cm78-82cm81-85cm84-87cm86-90cm89-92cm


MOUNTAIN BIKES

FramesizeXSSMM/LLXL2XL
Height137-155cm153-166.5cm161-172cm165.5-179cm177-188cm186-196cm195-203cm
Inseam64-75cm72-77cm76-79cm77-82cm83-85cm87-92cm92-95cm
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