Sale – Trek Checkpoint ALR 5 Gen 3 2026 – Bronze Age

Trek Checkpoint ALR 5 Gen 3 2026 – Gravel Adventure Redefined
The Trek Checkpoint ALR 5 Gen 3 is a high-performance gravel bike built for endurance, versatility, and control on any surface. Its lightweight aluminium frame and carbon fork provide a smooth, responsive ride, while modern geometry ensures stability at speed and confidence on rough roads. With a reliable drivetrain, hydraulic disc brakes, and room for wider tyres and adventure-ready accessories, it’s the perfect companion for long gravel rides, mixed-surface challenges, and bikepacking adventures.
Adventure begins where the road ends
Embrace the spirit of adventure with the all-new Checkpoint. This gravel bike line-up boasts comfortable geometry, capable tyre clearance and plenty of gear storage to take you off the beaten track for solo sightseeing excursions, epic all-day adventures, spontaneous overnighters and everything in-between.
Epic all-day comfort
New, confident Gravel Endurance geometry puts you in a more relaxed upright riding position so you can stay comfortable on even your most epic adventures.
Smooth operator
Carbon models feature IsoSpeed comfort tech in the seat post to smooth out fatiguing bumps and potholes so you can ride stronger, for longer.
Geometry
Frame size letter
XS
S
M
ML
L
XL
Wheel size
700c
700c
700c
700c
700c
700c
A – Seat tube
49.0
52.0
54.0
56.0
58.0
61.0
B – Seat tube angle
74.1°
73.7°
73.2°
72.8°
72.5°
72.1°
C – Head tube length
9.6
11.7
14.0
16.2
18.1
20.1
D – Head angle
71.2°
71.6°
71.8°
72.2°
72.3°
72.6°
E – Effective top tube
53.6
54.8
56.8
58.0
59.2
60.4
G – Bottom bracket drop
7.8
7.8
7.6
7.6
7.4
7.4
H – Chainstay length
43.5
43.5
43.5
43.5
43.5
43.5
I – Offset
4.9
4.9
4.9
4.9
4.9
4.9
J – Trail
7.4
7.1
7.0
6.7
6.6
6.5
K – Wheelbase
102.5
103.3
104.1
104.8
105.8
107.0
L – Standover
73.5
76.5
78.9
80.9
82.9
85.9
M – Frame reach
38.0
38.5
39.1
39.7
40.2
40.8
N – Frame stack
54.5
56.6
58.9
61.1
63.0
65.0