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, carbon legs, tapered alloy steerer, rack mounts, mudguard mounts, flat-mount disc, 12x100 mm thru axle
Frame fit	Gravel
Wheels
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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
Tyre	Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40 c
Tyre part	Bontrager TLR sealant, 180 ml/6 oz
Rim strip	Bontrager Aeolus XXX rim strip
Max tyre size	700x45c / 650x2.1" Bontrager tyres
Drivetrain
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Shifter	Shimano GRX RX600, 11-speed
Front derailleur	Shimano GRX RX810, braze-on
Rear derailleur	Shimano GRX RX810, long cage, 34T 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	Praxis, T47 threaded, internal bearing
Cassette	Shimano 105 HG700-11, 11-34, 11-speed
Chain	Shimano HG601
Max. chainring size	1x: 44T SRAM or 50T Shimano, 2x: 50/34
Components
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*Saddle	Size: 49, 52
	Bontrager P3 Verse Comp, steel rails, 155 mm width
	Size: 54, 56, 58, 61
	Bontrager P3 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
Head set	FSA Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
Brake rotor	Shimano SM-RT70, CenterLock, 160 mm
Rotor size	Max brake rotor sizes: 160 mm front and rear
Weight
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Weight	56 - 9.75 kg / 21.5 lb

KOLO TREK 23 CHECKPOINT ALR 5 54 BL/RD

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