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Trek

Supercaliber SLR 9.8 XT Gen 2

2026Mountain
Supercaliber SLR 9.8 XT Gen 2 Data
Frame
Carbon
Suspension
Fully, Hardtail
Travel
Front: 110mm
Gears
12
Weight
11.13 kg
Sizes
S, M, L, Xl, Ml
Colors
Deep Smoke, Carbon Red Smoke, Argent Drizzle
View on Trek

Components

Complete component specification list for this variant.

Drivetrain

Rear Shifter
Shimano XT M8100
Back Shifter
Chain
Shimano Ultegra/XT M8100
Chain
Gears
12
Cassette
Shimano XT M8100
Cassette
Number of sprockets
12
Range
10-51
Crank
e*thirteen TRS Race Carbon
Crank
Length
170
Chainring
e*thirteen alloy ring
Front Chainring
Gears
1
Ring 1
34 Teeth
Bottom Bracket
e*thirteen BB20-92
Bottom bracket
Standard
BB92
Rear Derailleur
Shimano XT M8100

Seat

Saddle
Bontrager Aeolus Elite
Saddle
Seatpost
Bontrager Line Dropper
Seatpost
Length
345 mm
Diameter
31.6 mm
Dropper post
1
Travel
100 mm

Wheels

Front
Front Wheel
Bontrager Kovee Elite (29'', Boost110)
Front Wheel
Size
29''
Axle Dimension
Boost110
Rotor mount
6-bolt
Inner width
30 mm
Material
OCLV Mountain Carbon
Position
front
Front Tire
Bontrager Sainte-Anne RSL XR (29'', 2.40'')
Front Tire
Size
29''
Width
2.40''
Rear
Rear Wheel
Bontrager Kovee Elite (29'', Boost148)
Back Wheel
Size
29''
Axle Dimension
Boost148
Rotor mount
6-bolt
Inner width
30 mm
Material
Carbon
Position
back
Rear Tire
Bontrager Sainte-Anne RSL XR (29'', 2.40'')
Back Tire
Size
29''
Width
2.40''

Brakes

Front
Front Brake
Hydraulic Shimano Deore XT M8100 disc
Front Brake
Front Disc
Shimano RT86
Front Disc
Diameter
180 mm
Rear
Rear Brake
Hydraulic Shimano Deore XT M8100 disc
Back Brake
Rear Disc
Shimano RT86
Back Disc
Diameter
180 mm

Frame

Frame
OCLV SLR Mountain
Frame
Rear Axle Dimension
12x148 mm
Material
Carbon
Fork
Performance Fox Step-Cast
Fork
Travel
110 mm
Front Axle Dimension
Boost110, 15mm Kabolt axle
Stanchion Diameter
34
Steer tube diameter
tapered
Offset
44 mm
Rear Shock
Trek IsoStrut, RockShox SIDLuxe

Cockpit

Stem
Integrated Bontrager RSL stem
Stem
Length
70 mm
Material
OCLV Carbon
Handlebar
Integrated Bontrager RSL handlebar
Handlebar
Width
750 mm
Rise
0 mm
Angle
-13 °
Material
OCLV Carbon
Grips
ESI Chunky

Comparison

Compare specifications and components across all variants of this model. Toggle years to customize your comparison.

Model Year:
Current
Supercaliber SLR 9.8 XT Gen 2
2026
Supercaliber 9.7 Gen 1
2026
Supercaliber SLR 9.9 XX AXS Gen 2
2026
Specifications
FrameCarbonCarbonCarbon
SuspensionFully, HardtailFully, Full SuspensionFully, Full Suspension
TravelFront: 110mmFront: 100mm, Rear: 60mmFront: 110mm, Rear: 80mm
Gears121212
Weight11.13 kg11.51 kg9.63 kg
SizesS, M, L, Xl, MlS, M, L, Xl, Ml, 2XlS, M, L, Xl, Ml
ColorsDeep Smoke, Carbon Red Smoke, Argent DrizzleTrek Black/Trek White, Marigold To Radioactive Red Fade, Miami Green To Volt FadeDeep Smoke, Carbon Red Smoke, Argent Drizzle
Drivetrain
Back Shifter
Shimano XT M8100
SRAM NX Eagle
SRAM AXS POD Ultimate, paired with dropper
Chain
Shimano Ultegra/XT M8100
SRAM NX Eagle
SRAM XX Eagle, T-Type, speed
Cassette
Shimano XT M8100
SRAM PG-30 Eagle
SRAM Eagle XS-99, T-Type, , speed
Crank
e*thirteen TRS Race Carbon
SRAM NX Eagle, DUB, Boost (52mm chainline)
SRAM XX SL Eagle, T-Type, DUB, 34T ring, 55mm chainline, mm length
Front Chainring
e*thirteen alloy ring
SRAM NX Eagle alloy ring
SRAM XX SL Eagle, T
Bottom bracket
e*thirteen BB20-92
SRAM DUB
Pressfit SRAM DUB, 92mm
Back Derailleur
Shimano XT M8100
SRAM NX EAGLE
SRAM XX SL Eagle AXS, T-Type
Battery——
SRAM AXS battery pack
Seat
Saddle
Bontrager Aeolus Elite
Bontrager Montrose Comp
Aeolus RSL, carbon rails, 145mm width
Seatpost
Bontrager Line Dropper
Bontrager Comp, 6061 alloy
Internal Fox Transfer SL, 00mm travel, routing, mm
Seatpost Clamp—
Bolt-on, 36.4mm
—
Wheels
Front Wheel
Bontrager Kovee Elite (29'', Boost110)
Bontrager Kovee Elite 23 (29'', 15x110 mm)
Bontrager Kovee RSL, OCLV Mountain , Tubeless Ready, , Boost110, 15mm thru axle, (29'', 15x110 mm)
Front Tire
Bontrager Sainte-Anne RSL XR (29'', 2.40'')
Bontrager XR2 Team Issue
Pirelli Scorpion XC, Tubeless Ready, Team Edition Pro Wall, aramid bead, 120 tpi, 29x (29'', 2.20'')
Back Wheel
Bontrager Kovee Elite (29'', Boost148)
Bontrager Kovee Elite 23 (29'', 12x148 mm)
Bontrager Kovee RSL, OCLV Mountain , Tubeless Ready, , Boost148, 12mm thru axle, (29'', 12x148 mm)
Back Tire
Bontrager Sainte-Anne RSL XR (29'', 2.40'')
Bontrager XR2 Team Issue
Pirelli Scorpion XC, Tubeless Ready, Team Edition Pro Wall, aramid bead, 120 tpi, 29x (29'', 2.20'')
Brakes
Front Brake
Hydraulic Shimano Deore XT M8100 disc
Shimano MT500 caliper / MT501 lever
Hydraulic SRAM Level Ultimate 4-piston disc
Front Disc
Shimano RT86
Shimano RT56
Centerline SRAM X, centerlock, round edge, mm
Back Brake
Hydraulic Shimano Deore XT M8100 disc
Shimano MT500 caliper / MT501 lever
Hydraulic SRAM Level Ultimate 4-piston disc
Back Disc
Shimano RT86
Shimano RT56
Centerline SRAM X, centerlock, round edge, mm
Frame
Frame
OCLV SLR Mountain
OCLV Mountain
OCLV SLR Mountain , IsoStrut, UDH, 80mm travel
Fork
Performance Fox Step-Cast
RockShox Reba RL, Solo Air spring, Motion Control damper
RockShox SID SL Ultimate, DebonAir spring, Charger Race Day damper, dual remote lockout, steerer, mm offset, Boost, 15mm Maxle Stealth, mm travel
Rear Shock
Trek IsoStrut, RockShox SIDLuxe
Performance Trek IsoStrut, Fox shock, air spring, DPS 2-position damper, 235x32.5mm
RockShox Trek IsoStrut, SIDLuxe, 2-position remote damper
Cockpit
Stem
Integrated Bontrager RSL stem
Bontrager Rhythm Comp
Integrated Bontrager RSL handlebar/stem, OCLV
Handlebar
Integrated Bontrager RSL handlebar
Bontrager Comp,
Integrated Bontrager RSL handlebar/stem, OCLV
Grips
ESI Chunky
Bontrager XR Trail Comp, nylon lock-on
—
Accessories
Charger——
SRAM AXS charger

Replacement Parts

Find compatible wear items and replacement parts for your bike. Components are organized by category to help you maintain and upgrade your ride.

Drivetrain

Maintain optimal power transfer with the correct drivetrain components for your Supercaliber SLR 9.8 XT Gen 2. We recommend adhering to manufacturer standards for best shifting performance, though compatible third-party options exist for upgrades or budget repairs.

No resources available yet

Chain
Chain
Recommended OEM Spec:
Shimano Ultegra/XT M8100
Cassette
Cassette
Recommended OEM Spec:
Shimano XT M8100
Front Chainring
Front Chainring
Recommended OEM Spec:
e*thirteen alloy ring
Bottom bracket
Bottom bracket
Recommended OEM Spec:
e*thirteen BB20-92
Back Derailleur
Back Derailleur
Recommended OEM Spec:
Shimano XT M8100

Brakes

Ensure safe stopping power with the right brake components for your Supercaliber SLR 9.8 XT Gen 2. OEM parts guarantee compatibility, while aftermarket alternatives can offer performance upgrades or cost savings.

No resources available yet

Front Brake
Front Brake
Recommended OEM Spec:
Hydraulic Shimano Deore XT M8100 disc
Front Disc
Front Disc
Recommended OEM Spec:
Shimano RT86
Back Brake
Back Brake
Recommended OEM Spec:
Hydraulic Shimano Deore XT M8100 disc
Back Disc
Back Disc
Recommended OEM Spec:
Shimano RT86

Tires & Tubes

Keep your Supercaliber SLR 9.8 XT Gen 2 rolling smoothly with properly matched tires and tubes. The recommended specs ensure optimal grip, puncture protection, and ride quality for your specific setup.

No resources available yet

Front Tire
Front Tire
Recommended OEM Spec:
Bontrager Sainte-Anne RSL XR (29'', 2.40'')
Back Tire
Back Tire
Recommended OEM Spec:
Bontrager Sainte-Anne RSL XR (29'', 2.40'')

Suspension & Bearings

Maintain your Supercaliber SLR 9.8 XT Gen 2's suspension performance with the correct bearings and service parts. Regular maintenance ensures consistent handling and extends component life.

No resources available yet

Fork
Fork
Recommended OEM Spec:
Performance Fox Step-Cast
Rear Shock
Rear Shock
Recommended OEM Spec:
Trek IsoStrut, RockShox SIDLuxe

Cockpit

Customize your Supercaliber SLR 9.8 XT Gen 2's cockpit with compatible handlebars, stems, and grips. These contact points affect comfort, control, and overall riding experience.

No resources available yet

Saddle
Saddle
Recommended OEM Spec:
Bontrager Aeolus Elite
Seatpost
Seatpost
Recommended OEM Spec:
Bontrager Line Dropper
Stem
Stem
Recommended OEM Spec:
Integrated Bontrager RSL stem
Handlebar
Handlebar
Recommended OEM Spec:
Integrated Bontrager RSL handlebar
Grips
Grips
Recommended OEM Spec:
ESI Chunky

Wear Items

Replace high-wear items on your Supercaliber SLR 9.8 XT Gen 2 regularly to maintain performance and safety. These components see frequent use and benefit from periodic replacement.

No resources available yet

Saddle
Saddle
Recommended OEM Spec:
Bontrager Aeolus Elite
Grips
Grips
Recommended OEM Spec:
ESI Chunky

Accessories

Compatible accessories matched to your bike's specifications. Find the perfect upgrades and add-ons.

No compatible accessories found

Accessories are matched based on bike specifications

Geometry

Frame geometry specifications by size. Compare reach, stack, and other key measurements across available frame sizes.

MeasurementLMSXLML
Reach465mm435mm410mm500mm450mm
Stack599mm590mm590mm622mm590mm
Stack-to-Reach Ratio—————
Top Tube Length—————
Head Tube Angle67.5°67.5°67.5°67.5°67.5°
Seat Tube Angle (Effective)74.5°74.5°74.5°74.5°74.5°
Head Tube Length100mm90mm90mm125mm90mm
Seat Tube Length460mm420mm395mm525mm440mm
Chainstay Length435mm435mm435mm435mm435mm
Wheelbase1172mm1138mm1113mm1217mm1153mm
BB Drop46mm46mm46mm46mm46mm
Standover Height772mm772mm760mm772mm772mm
Front Center741mm707mm682mm785mm722mm