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 Aluminium, the Checkpoint ALR 4 is agile on rough gravel and smooth on asphalt. A host of features such as tubeless ready wheels, the SRAM Apex 11-speed drivetrain, and 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 Aluminium, hidden cables that won't interfere with your bags, integrated mounting points for frame bags, racks, and fenders, an 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 700 x 40C size for added comfort and confident traction.

• The robust and powerful frame made of 300 Series Alpha Aluminium is stable and agile, ensuring plenty of good times.
• From Gravel to bikepacking to the daily commute - with this bike, you get more than enough versatility for a wide range of applications.
• 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 easy to carry additional gear and water bottles.
• Powerful mechanical disc brakes bring you to a stop effectively in all conditions.
  
  

Specifications:
Frame: 300 Series Alpha Aluminium, tapered head tube, internal cable routing, 3S chain keeper, T47 bottom bracket, rack and fender mounts, integrated frame bag mounts, flat mount disc, 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.
Shifter: SRAM Apex, 11-speed
Rear Derailleur: SRAM Apex 1, long cage, max. 42 T on largest sprocket
Crank: SRAM Apex 1, 40 T, DUB Wide, 165 mm crank arm length (49)
Crank: SRAM Apex 1, 40 T, DUB Wide, 170 mm crank arm length (52)
Crank: SRAM Apex 1, 40 T, DUB Wide, 172.5 mm crank arm length (54/56)
Crank: SRAM Apex 1, 40 T, DUB Wide, 175 mm crank arm length (58/61)
Bottom Bracket: SRAM DUB, T47, threaded, internally housed
Cassette: SRAM PG-1130, 11-42 T, 11-speed
Chain: SRAM PC-1130, 11-speed
Max. Chainring Size: 1x: 44 T, 2x: 50/34
Front Hub: Bontrager, aluminium, sealed bearing, center lock disc mount, 100 x 12 mm thru axle
Front Quick Release: Bontrager Switch thru axle, removable lever
Rear Hub: Bontrager, aluminium, 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 Repair Kit: Bontrager TLR sealant, 177 ml
Rim Tape: Bontrager Aeolus XXX rim tape
Max. Tire Size: 700 x 45 mm/650 x 2.10
Saddle: Bontrager Verse Comp, steel rails, 155 mm width (49/52)
Saddle: Bontrager Verse Comp, steel rails, 145 mm width (54/56/58/61)
Seat Post: Bontrager, aluminium, 27.2 mm, 12 mm setback, 330 mm length
Handlebar: Bontrager Elite Gravel, 38 cm width (49)
Handlebar: Bontrager Elite Gravel, 40 cm width (52)
Handlebar: Bontrager Elite Gravel, 42 cm width (54/56)
Handlebar: Bontrager Elite Gravel, 44 cm width (58/61)
Handlebar Tape: Bontrager Supertack Perf handlebar tape
Stem: Bontrager Elite, 31.8 mm clamp diameter, Blendr-compatible, 7 degrees, 70 mm length (49)
Stem: Bontrager Elite, 31.8 mm clamp diameter, Blendr-compatible, 7 degrees, 80 mm length (52/54)
Stem: Bontrager Elite, 31.8 mm clamp diameter, Blendr-compatible, 7 degrees, 90 mm length (56/58)
Stem: Bontrager Elite, 31.8 mm clamp diameter, Blendr-compatible, 7 degrees, 100 mm length (61)
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 stated