Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2021 Trek Supercaliber 9.9 XTR
Value Guide market data · 2021 Trek Supercaliber 9.9 XTR
12-month trend
13%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2021 Trek Supercaliber 9.9 XTR
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Supercaliber model years
2021 Supercaliber 9.9 XTR lineup
Overview
About this bike
2021 Trek Supercaliber 9.9 XTR value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Rear Shock
- Trek IsoStrut, Fox Factory shock, air spring, DPS 2-position remote damper, Kashima Coat, 235x32.5mm
- Fork
- RockShox SID SL Ultimate, DebonAir spring, Charger Race Day, damper, 44mm offset, 15mm Maxle Stealth, 100mm travel
- Frame
- OCLV Mountain Carbon main frame & stays, IsoStrut, tapered head tube, Knock Block, Control Freak internal routing, 60mm travel
Drivetrain
- Groupset
- 2021 Trek Supercaliber 9.9 XTR
- Crankset
- Shimano XTR M9120, Boost (52mm chainline)
- Bottom Bracket
- Shimano MT500, 92mm, PressFit
- Chain
- Shimano XTR M9100, 12 speed
- Rear Derailleur
- Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
- Cassette/Rear Cogs
- Shimano XTR M9100, 10-51, 12 speed
- Chainrings
- 34T alloy ring
- Shifters
- Shimano XTR M9100, 12 speed
Brakes
- Brakes
- Shimano XTR M9100 hydraulic disc w/Shimano MT900, 160mm, centerlock rotors
Cockpit
- Saddle
- Bontrager Montrose Pro, 7x10mm carbon rails, 138mm width
- Headset
- Knock Block Integrated, 62-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
- Stem
- Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree
- Handlebars
- Bontrager Kovee XXX, OCLV Carbon, 35mm, 0mm rise, 720mm width
- Seat Post
- Bontrager XXX, OCLV Carbon, 31.6mm, 0mm offset
- Tape/Grips
- ESI Chunky
Wheels & Tires
- Tires
- Bontrager XR2 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.20''
- Axles
- Front: 110 x 15mm thru-axle<br>Rear: 148 x 12mm thru-axle
Accessories
- Rims/Wheels
- Bontrager Kovee XXX, OCLV Mountain Carbon, Tubeless Ready, centerlock
- Color
- Gloss Radioactive Red/Matte Black / Matte Raw Carbon/Gloss Trek Black / Carbon Blue Smoke/Radioactive Coral
Weight & Sizing
- Size
- Small / Medium / Medium/Large / Large / X-Large
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.