BIKE TREK CHECKPOINT ALR 4 (2021)

Trek Checkpoint ALR4 2021 red bike for gravel. Trek Manufacturer Reference: 601503
The Checkpoint ALR 4 is an aluminum gravel bike that offers incredible performance at an affordable price. It is designed to cope with the rigors of gravel and dirt tracks, but it is also perfect for daily commuting around the city and for cycling tours. This bike has no limits, which makes it the ideal machine to start adventures on any type of road or trail.
It is ideal for you if ...
You are looking for a single durable and extremely versatile gravel bike ready for adventure. Gravel? Done. Asphalt? Done. A bikepacking trip? Done. Cycle around the city in bad weather? Done. Done. Done.
The technology that incorporates
Robust aluminum frame with rack and fender mounts, vibration absorbing carbon fork, Shimano GRX 2x10 drivetrain with shorter gears to tackle tough climbs or rough trails, hydraulic disc brakes that provide great stopping power on all rides Wide 700x40c gravel tires and conditions add stability and traction.
The last word
Hit the gravel! The Checkpoint ALR 4 is the gateway to a world of adventure. It's tough, fast and comfortable, and packed with technology, yet at an affordable price. Despite being designed to withstand the rigors of gravel-specific roads, the frame geometry and additional mounts make it ideal for both on-road riding and around town.
You'll love it!
1. The Checkpoint ALR 4 is a bike with an incredible value for money ideal to get started in the fun world of gravel.
2. It is an extremely versatile bike, ideal for gravel riding, bikepacking or commuting around town on a daily basis
3. Brackets on the seat tube and on both sides of the down tube allow you to carry more things and more cans
4. The great clarity of the wheel arch allows you to incorporate tires up to 45c for more traction and stability in any situation.
5. Sliding horizontal dropout allows you to adjust the bike's geometry or convert it to singlespeed
specs
* Specifications are for all sizes, unless otherwise noted

Frame set
* Frame Size: 49, 52, 54, 56, 58
300 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, 3S chain guide, rack and fender mounts, flat-mount disc, horizontal sliding dropouts, 142x12mm thru-axle
Carbon Checkpoint fork, tapered alloy steerer, rack and fender mounts, flat mount disc, 12x100mm thru-axle
Wheels
Bontrager alloy front hub, sealed bearing, centerlock disc, 100x12mm thru-axle
Front seal 100 x 12 mm thru-axle
Bontrager alloy rear hub, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru-axle
Rear lock 142x12mm thru-axle, 174mm length
Bontrager Tubeless Ready rim, 28-hole, 17mm width, Presta valve
Spokes Stainless steel 14g
Bontrager GR1 Comp tire, wire bead, 60 tpi, 700x40c
Max size Bontrager 45c tires (49 and 52 cm: 40c due to toe interference), with a minimum clarity of 4 mm to the frame
Transmission
Shimano GRX RX400 shifter, 10 speed
Shimano GRX RX400 front derailleur, weld type
Shimano GRX RX400 derailleur, long cage, max. 36T
* Bottom bracket
Size: 49
Shimano GRX RX600, 46/30, 165mm length
Size: 52
Shimano GRX RX600, 46/30, 170mm length
Size: 54, 56
Shimano GRX RX600, 46/30, 172.5mm length
Size: 58, 61
Shimano GRX RX600, 46/30, 175mm length
Shimano RS500 bottom bracket, 86mm, PressFit
Shimano Tiagra HG500 cassette, 11-34, 10 speed
KMC X10 Chain
Components (edit)
Bontrager Montrose Comp saddle, steel rails, 138mm width
Bontrager Comp seatpost, 6061 alloy, 27.2mm, 8mm offset, 330mm length
*Handlebar
Size: 49
Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 38cm width
Size: 52
Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 40cm width
Size: 54, 56
Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 42cm width
Size: 58, 61
Bontrager Elite IsoZone VR-CF, alloy, 31.8mm, 93mm reach, 123mm drop, 44cm width
Handlebar Tape Bontrager Supertack Perf Handlebar Tape
*Power
Size: 49
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length
Size: 52, 54
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length
Size: 56, 58
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length
Size: 61
Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, length 110mm
Integrated FSA headset, sealed cartridge bearing, 1-1 / 8 "on top and 1.5" on bottom
Shimano RX400 hydraulic disc brake
Shimano SM-RT70 brake disc, centerlock, 160mm
Weight
Weight 56 - 10.26 kg
Weight Limit This bicycle has a maximum weight limit (combined weight of bicycle, rider and load) of 125 kg.