Checkmate SLR 8 AXS is a carbon gravel race bike built to toe the line and kick up dust on the long and rough road. To deliver the performance you crave on race day, Checkmate combines a lightweight aero design with IsoSpeed and new Gravel Race geometry that keeps you poised for the attack without eating up your energy. Its topped off with a 1x12 previous generation SRAM RED XPLR AXS wireless drivetrain, carbon wheels, and Trek Aero RSL bar/stem for a lightweight build.
- Youre after a gravel bike thats made to soar right off the starting line with Full System Foil aero tube shapes and an aero-yet-ergonomic one-piece bar/stem
- Comfort isnt kicked to the side, thanks to road-smoothing IsoSpeed tech and clearance room for tires up to 45mm wide (as measured)
- New Gravel Race geometry keeps you tucked out of the wind and poised for the attack without compromising the fit you need for comfort through long miles
- A premium, ultra-light 800 Series OCLV Carbon frame helps you save energy by reducing road chatter
- It comes equipped with plenty of mounts to add Adventure Bags and carry all your race-day essentials
Our fastest gravel bike ever
New Full System aero tube shapes and an aero-yet-ergonomic one-piece barstem help make Checkmate our fastest gravel bike to date.
![]()

Our lightest gravel bike ever
Premium components and 800 Series OCLV Carbon keep things light and fast for ultimate race-day performance.
![]()

IsoSpeed comfort tech
Isospeed compliance tech absorbs fatiguing bumps in the road to keep you riding stronger longer.
![]()

Plenty of tire clearance
Room for gravel tires up to 45mm wide (as measured) keep you smooth and fast on quick courses and gnarly terrain.
![]()

Race-optimized gear storage
Multiple frame mounts let you add Adventure Bags to carry your race-day essentials while leaving room for ample hydration.
![]()

New Gravel Race geo
This brand-new geometry was designed specifically for gravel racing to keep you tucked out of the wind, nimble on corners, and in control on descents and rougher roads.
![]()

Frame |
800 Series OCLV Carbon, IsoSpeed, hidden fender mounts, integrated frame bag mounts, invisible cable routing, T47, flat mount disc, integrated chainkeeper, removable FD hanger, UDH, 142x12mm chamfered thru axle |
Fork |
Checkmate SLR full carbon, tapered carbon steerer, hidden fender mounts, flat mount disc, 12x100mm thru axle |
Wheel Front |
Bontrager Aeolus Pro 3V, OCLV Carbon, Tubeless Ready, 25mm rim width, 100x12mm thru axle / |
Wheel Rear |
Bontrager Aeolus Pro 3V, OCLV Carbon, Tubeless Ready, 25mm rim width, SRAM XD-R driver, 142x12mm thru axle |
Tire |
Bontrager Girona RSL GR, Tubeless Ready, aramid bead, 220 tpi, 700x38mm |
Tire Part |
Bontrager TLR sealant, 6oz |
Rim Strip |
Bontrager TLR |
Skewer Front |
Bontrager Switch chamfered thru axle, removable lever |
Skewer Rear |
Bontrager Switch chamfered thru axle, removable lever |
Shifter |
SRAM RED eTap AXS, 12 speed // SRAM RED eTap AXS, 12 speed |
Rear Derailleur |
SRAM RED XPLR eTap AXS, 44T max cog |
Crank |
SRAM RED AXS w/ power meter, 40T, DUB, 165mm length |
Bottom Bracket |
SRAM DUB, T47 threaded, internal bearing |
Cassette |
SRAM XG-1271, 10-44, 12 speed |
Chain |
SRAM RED D1, 12 speed |
Brake Rotor |
SRAM CenterLine X, centerlock, round edge, 160mm |
Saddle |
Bontrager Aeolus P2 Pro, carbon rails, 155mm width |
Seatpost |
KVF aero carbon seatpost, 5mm offset, 280mm length |
Handlebar |
Trek Aero RSL Road integrated bar/stem, OCLV Carbon, Race Fit, 80mm reach, 124mm drop, 37cm control width, 40cm drop width, 70mm stem length |
Battery |
SRAM eTap battery pack (with charger) |
Geometry Chart
B B Drop |
8 |
Chainstay Length |
42.6 |
Eff Top Tube |
53.2 |
Frame Reach |
38 |
Frame Size Letter |
XS |
Frame Size Number |
49 |
Frame Stack |
52.5 |
Head Angle |
71.0° |
Head Tube Length |
9.1 |
Offset |
4.9 |
Saddle Rail Height Max Short |
61.1 |
Saddle Rail Height Max Tall |
65.1 |
Saddle Rail Height Min Short |
54.6 |
Saddle Rail Height Min Tall |
58.6 |
Seat Tube |
37.3 |
Seat Tube Angle |
73.9° |
Standover |
71.8 |
Trail |
7.2 |
Wheelbase |
100.3 |
Wheel Size |
700c |
B B Drop |
8 |
Chainstay Length |
42.6 |
Eff Top Tube |
54 |
Frame Reach |
38.5 |
Frame Size Letter |
S |
Frame Size Number |
52 |
Frame Stack |
54 |
Head Angle |
71.3° |
Head Tube Length |
10.6 |
Offset |
4.9 |
Saddle Rail Height Max Short |
65.2 |
Saddle Rail Height Max Tall |
69.2 |
Saddle Rail Height Min Short |
58.7 |
Saddle Rail Height Min Tall |
62.7 |
Seat Tube |
41.4 |
Seat Tube Angle |
73.9° |
Standover |
74.7 |
Trail |
7 |
Wheelbase |
101.1 |
Wheel Size |
700c |
B B Drop |
8 |
Chainstay Length |
42.6 |
Eff Top Tube |
55.5 |
Frame Reach |
39.2 |
Frame Size Letter |
M |
Frame Size Number |
54 |
Frame Stack |
56 |
Head Angle |
71.5° |
Head Tube Length |
12.6 |
Offset |
4.9 |
Saddle Rail Height Max Short |
69.3 |
Saddle Rail Height Max Tall |
73.3 |
Saddle Rail Height Min Short |
62.8 |
Saddle Rail Height Min Tall |
66.8 |
Seat Tube |
45.5 |
Seat Tube Angle |
73.7° |
Standover |
78.2 |
Trail |
6.8 |
Wheelbase |
102.2 |
Wheel Size |
700c |
B B Drop |
8 |
Chainstay Length |
42.6 |
Eff Top Tube |
57 |
Frame Reach |
39.9 |
Frame Size Letter |
ML |
Frame Size Number |
56 |
Frame Stack |
58.4 |
Head Angle |
71.7° |
Head Tube Length |
15 |
Offset |
4.9 |
Saddle Rail Height Max Short |
73.3 |
Saddle Rail Height Max Tall |
77.3 |
Saddle Rail Height Min Short |
66.8 |
Saddle Rail Height Min Tall |
70.8 |
Seat Tube |
50 |
Seat Tube Angle |
73.5° |
Standover |
81.6 |
Trail |
6.7 |
Wheelbase |
103.5 |
Wheel Size |
700c |
B B Drop |
8 |
Chainstay Length |
42.6 |
Eff Top Tube |
58.1 |
Frame Reach |
40.4 |
Frame Size Letter |
L |
Frame Size Number |
58 |
Frame Stack |
60.8 |
Head Angle |
72.0° |
Head Tube Length |
17.4 |
Offset |
4.9 |
Saddle Rail Height Max Short |
78.5 |
Saddle Rail Height Max Tall |
82.5 |
Saddle Rail Height Min Short |
72 |
Saddle Rail Height Min Tall |
76 |
Seat Tube |
53.7 |
Seat Tube Angle |
73.6° |
Standover |
85.1 |
Trail |
6.5 |
Wheelbase |
104.5 |
Wheel Size |
700c |
B B Drop |
8 |
Chainstay Length |
42.6 |
Eff Top Tube |
59.2 |
Frame Reach |
40.9 |
Frame Size Letter |
XL |
Frame Size Number |
61 |
Frame Stack |
63.3 |
Head Angle |
72.4° |
Head Tube Length |
19.9 |
Offset |
4.9 |
Saddle Rail Height Max Short |
81.6 |
Saddle Rail Height Max Tall |
85.6 |
Saddle Rail Height Min Short |
75.1 |
Saddle Rail Height Min Tall |
79.1 |
Seat Tube |
58.3 |
Seat Tube Angle |
73.7° |
Standover |
88.6 |
Trail |
6.2 |
Wheelbase |
105.4 |
Wheel Size |
700c |