Trek Checkpoint ALR 4 Gen 3 — Gravel Bike

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  • Overview
  • Aluminum gravel bike with a carbon fork, hydraulic disc brakes, and tyre clearance up to 50mm. In stock at both Fresh Air Kelowna locations.

Product details

IN STORE PICKUP OR LOCAL DELIVERY ONLY

Mixed-surface touring out of Kelowna — pavement one minute, packed gravel along the KVR or Okanagan Rail Trail the next — is exactly what the Checkpoint ALR 4 Gen 3 is built for. This aluminum gravel bike pairs Trek's updated endurance geometry with a full carbon fork for road-smoothing comfort, room for tyres up to 50mm, and an 11-speed Shimano CUES drivetrain with hydraulic disc brakes for confident stopping in any weather.

 

 

KEY FEATURES

Frame: 300 Series Alpha Aluminum frame with internal cable routing, integrated frame bag mounts, rack and fender mounts, and a T47 bottom bracket, paired with a full carbon Trek Checkpoint fork

Drivetrain: Shimano CUES U6030 11-speed shifter with a Shimano CUES U8000 GS rear derailleur, Shimano CUES crank (40T), Shimano CUES LG700 LINKGLIDE 11-50 cassette

Brakes: Shimano CUES hydraulic disc brakes, flat mount, with Shimano RT54 centerlock 160mm rotors

Cockpit: Bontrager Elite Gravel alloy handlebar and Bontrager Elite stem, sized to each frame

Standout feature: Hydraulic disc brakes and a wider-range 11-50 LINKGLIDE cassette step up stopping power and gearing over the entry-level ALR 3, while keeping the same durable, low-maintenance CUES philosophy

WHO IS THIS FOR?

This bike suits a rider who wants a step up in braking power and gear range for exploring mixed-surface routes like the KVR or Okanagan Rail Trail, or for commuting on rougher city streets, without jumping to a fully premium build. They'll appreciate the comfort of the endurance geometry and carbon fork, the confident all-weather stopping of hydraulic disc brakes, and the wide range of mounting points for bikepacking bags or a commuter rack.

Our team at Fresh Air will help you find the right fit in-store at both Kelowna locations. Stop by to work with one of our experienced staff members, or call 250-763-3425.

HOW TO SET UP

Our team can dial in your contact points — saddle height, reach, and cleat alignment if you're running clipless pedals — and set tyre pressure appropriate for the mix of pavement and gravel you're riding, whether that's the KVR or the Rail Trail. We can also help fit racks, fenders, or frame bags using the integrated mounts if you're setting this bike up for bikepacking or commuting. Drop into Fresh Air Pandosy (555 Groves Ave) or Fresh Air Dilworth (1656 Dilworth Drive), or book an appointment online.

FAQ

Q1: What size Trek Checkpoint ALR 4 Gen 3 do I need?
The Checkpoint ALR 4 Gen 3 comes in six sizes — XS, S, M, ML, L, and XL — built on Trek's endurance geometry, with handlebar width, stem length, and crank length scaled to each size. General sizing follows your height and inseam, but the best way to confirm your size is an in-person fit — our team at either Kelowna location can get you set up correctly.

Q2: Is the Checkpoint ALR 4 Gen 3 right for riding the KVR or Okanagan Rail Trail?
Yes — with wide 42c Girona Pro tyres, clearance up to 50mm, hydraulic disc brakes, and a comfort-focused endurance geometry, the Checkpoint ALR 4 handles the packed gravel of the KVR and Okanagan Rail Trail confidently, while staying efficient on paved connector roads.

Q3: What tyre width and clearance does the Checkpoint ALR 4 support?
The Checkpoint ALR 4 Gen 3 ships with 700x42mm Bontrager Girona Pro tyres and has clearance up to 50mm without fenders (42mm with fenders), giving you room to size up for rougher terrain.

SPECS

 

FRAMESET

Frame: 300 Series Alpha Aluminum, Internal cable routing, 3S chain keeper, T47, UDH, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm chamfered thru axle

Fork: Trek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle

E SYSTEM

Battery: SRAM eTap battery pack (with charger)

WHEELS

Hub Front: Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle

Skewer Front: Bontrager Switch chamfered thru axle, removable lever

Hub Rear: Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle

Skewer Rear: Bontrager Switch chamfered thru axle, removable lever

Rim: Bontrager Paradigm 23, Tubeless Ready, 24-hole, 23mm width, Presta valve

Spokes: 14g stainless steel, black

Tire: Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42mm

Tire Part: Bontrager TLR sealant, 180 ml/6 oz

Max Tire Size: 50mm without fenders, 42mm with fenders (as measured, see manual for details)

DRIVETRAIN

Shifter: Shimano CUES U6030, 11 speed

Rear Derailleur: Shimano CUES U8000 GS

*Crank: Size: XS, S
Shimano CUES FCU60301 , 40T ring, 165mm length

Size: M, ML
Shimano CUES FCU60301 , 40T ring, 170mm length

Size: L, XL
Shimano CUES FCU60301 , 40T ring, 172.5mm length

Bottom Bracket: Praxis, T47 threaded, internal bearing

Cassette: Shimano CUES LG700, LINKGLIDE, 11-50, 11 speed

Chain: Shimano LG500

Max Chainring Size: 1x:44 2x: 46/30

COMPONENTS

Saddle: Verse Short Comp, steel rails, 145mm width

Seatpost: Bontrager alloy, 27.2mm, 12mm offset, 330mm length

*Handlebar: Size: XS, S
Bontrager Elite Gravel, alloy, 40cm width

Size: M, ML
Bontrager Elite Gravel, alloy, 42cm width

Size: L
Bontrager Elite Gravel, alloy, 44cm width

Size: XL
Bontrager Elite Gravel, alloy, 46cm width

Handlebar Tape: Bontrager Supertack Perf tape

*Stem: Size: XS
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length

Size: S, M
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length

Size: ML, L
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length

Size: XL
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length

*Brake: Size: XS, S, M, ML, L, XL
Shimano CUES hydraulic disc, flat mount

Size: XS, S, M, ML, L, XL
Shimano CUES U6030

Brake Rotor:  Shimano RT54, 160mm, centerlock

Rotor Size: Max brake rotor sizes: 180mm front & rear

WEIGHT

Weight: ML - 10.40 kg / 22.93 lbs (with TLR sealant, no tubes)

Weight Limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).

 

 

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