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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

£1,700.00
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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
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