Trek Checkpoint ALR 4 Matte Galactic Grey

The Checkpoint ALR 4 is the gravel bike with the best price-performance ratio in our range. Based on a frame made of 300 Series Alpha Aluminum, the Checkpoint ALR 4 is agile on bumpy gravel and smooth on smooth asphalt. Plenty of features like the tubeless ready wheels, the SRAM Apex 11-speed drivetrain, and the mechanical disc brakes make the Checkpoint ALR 4 the perfect companion for your gravel adventures.

Trek offers you an agile frame made of 300 Series Alpha Aluminum, hidden cables that don't get in the way of your bags, integrated mounting points for frame bags, racks, and fenders, a SRAM Apex 1x11 drivetrain for smooth gear changes on steep climbs and varied terrain, mechanical disc brakes for reliable braking performance in all conditions, tubeless ready wheels, and wide Bontrager GR1 Team Issue gravel tires in size 700 x 40C for added comfort and confident traction.

• The robust and capable frame made of 300 Series Alpha Aluminum is stable and agile, ensuring plenty of fun.
• From gravel to bikepacking to the daily commute – with this bike, you get more than enough versatility for a wide range of uses.
• Thanks to the enormous tire clearance, you can ride tires up to 45C for more traction and stability in all conditions.
• The mounting points on the fork, top tube, and frame make it easier to transport additional gear and water bottles.
• Powerful mechanical disc brakes bring you to a stop effectively in all conditions.
  
  

Equipment:

Frame: 300 Series Alpha Aluminum, tapered head tube, internal cable routing, 3S chain keeper, T47 bottom bracket, rack and fender mounts, integrated frame bag mounts, flat mount disc brake mount, 142 x 12 mm thru axle
Fork: Checkpoint, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle
Weight: 56 - 9.80 kg / 21.61 lbs (with TLR tire sealant, without tubes)
Max. Weight: This bike has a maximum weight limit (bike, rider, and load) of 125 kg.
Shifters: SRAM Apex, 11-speed
Rear Derailleur: SRAM Apex 1, long cage, max. 42T on largest cog
*Crank Size: 49: SRAM Apex 1, 40T, DUB Wide, 165 mm crank arm length
Size 52: SRAM Apex 1, 40T, DUB Wide, 170 mm crank arm length
Size 54, 56: SRAM Apex 1, 40T, DUB Wide, 172.5 mm crank arm length
Size 58, 61: SRAM Apex 1, 40T, DUB Wide, 175 mm crank arm length
Bottom Bracket: SRAM DUB, T47, threaded, internal bearing
Cassette: SRAM PG-1130, 11-42T, 11-speed
Chain: SRAM PC-1130, 11-speed
Max. Chainring Size: 1x: 44T, 2x: 50/34
Front Hub: Bontrager, aluminum, sealed bearing, Center Lock disc mount, 100 x 12 mm thru axle
Front Quick Release: Bontrager Switch thru axle, removable lever
Rear Hub: Bontrager, aluminum, sealed bearing, Center Lock disc mount, 11-speed freehub from Shimano, 142 x 12 mm thru axle
Rear Quick Release: Bontrager Switch thru axle, removable lever
Rim: Bontrager Paradigm, Tubeless Ready, 24-hole, 21 mm internal width, Presta valve
Spokes: 14 g, stainless steel, black
Tire: Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead core, 120 TPI, 700 x 40C
Tire Spare Part: Bontrager TLR Sealant, 177 ml
Rim Tape: Bontrager Aeolus XXX Rim Tape
Max. Tire Size: 700 x 45 mm/650 x 2.10
*Saddle Size: 49, 52: Bontrager Verse Comp, steel rails, 155 mm width
Size 54, 56, 58, 61: Bontrager Verse Comp, steel rails, 145 mm width
Seatpost: Bontrager, aluminum, 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 Handlebar Tape
*Stem Size: 49: Bontrager Elite, 31.8 mm clamp diameter, Blendr compatible, 7 degrees, 70 mm length
Size 52, 54: Bontrager Elite, 31.8 mm clamp diameter, Blendr compatible, 7 degrees, 80 mm length
Size 56, 58: Bontrager Elite, 31.8 mm clamp diameter, Blendr compatible, 7 degrees, 90 mm length
Size 61: Bontrager Elite, 31.8 mm clamp diameter, Blendr compatible, 7 degrees, 100 mm length
Brake: Mechanical 2-piston disc brake Tektro C550, Flat Mount
Brake Disc: Tektro, Center Lock, 160 mm
Brake Disc Diameter: Max. brake disc diameter: 160 mm front & rear

*Please note - the specification applies to all sizes unless otherwise noted