Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2021 Trek E-Caliber 9.9 XX1 AXS Gen 1
Previous used estimate
$3,599 - $3,703
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 Trek E-Caliber 9.9 XX1 AXS Gen 1
12-month projected trend
11%
Direction and magnitude, not judgment
vs. category average
7%
Drops faster than category avg
Price over time - 2021 Trek E-Caliber 9.9 XX1 AXS Gen 1
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All E-Caliber model years
Overview
About this bike
E-Caliber 9.9 XX1 AXS is a light, fun, and fast carbon e-MTB. It’s built to ride like a traditional cross country bike, and it even has the same race-worthy suspension tech as Supercaliber. The sleek and subtle Fazua drive system provides a boost without adding bulk, and you get a spec loaded with high-end parts.
Specifications
- Category
- Mountain
- Component Fork
- RockShox SID Ultimate, DebonAir spring, Charger Race Day damper, remote lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
- Component Lock
- Fazua EBike Systems Locker, Fazua PN 5002000602; ABUS Fazua IT1 Plus Battery Lock
- Component Stem
- Bontrager Stem Kovee Pro 35mm, 13° Rise, 60mm Reach
- Component Tire
- Bontrager Tire XR3 Team Issue 29x2.40'' TLR
- Product Family
- E-Caliber
- Component Brake
- Shimano XTR Brake Set. Item Number: BL-M9120(L) - BR-M9120(F), Resin Pad (with Fin), Post Mount, Hose: SM-BH90-SBM, Hose length: 850mm, Compatible brake pads: K03Ti (Resin), K04Ti (Metal). (Visit si.shimano.com for compatibility, manuals and exploded views); Shimano XTR Brake Set. Item Number: BL-M9120(R) - BR-M9120(R), Resin Pad (with Fin), Post Mount, Hose: SM-BH90-SBM, Hose length: 1700mm, Compatible brake pads: K03Ti (Resin), K04Ti (Metal). (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Chain
- SRAM Chain XX1 Eagle with Powerlink, 12-Speed, 114 Links, Rainbow, SRAM Part Number 00.2518.039.003
- Component Color
- Bluedark_Blue; Orange_Red; Red_Black; Bluedark_Pink
- Component Grips
- ESI Grip Chunky 130mm, Black
- Component Motor
- Fazua Evation Motor, 20mph US / 25kph EU, Fazua PN 5002000101
- Component Shock
- Trek IsoStrut from Fox for E-Caliber Size Small, Factory DPS 2-Position Remote 972-61-258, Remote anchor offset clocking for frame fitment, 235mm x 32.5mm, Push to Lock, Black
- Component Valve
- Bontrager TLR Valve, 50mm, Black
- Component Nipple
- Alpina, Alloy, 14g, 15mm, Locking, Hex Head, Black
- Component Saddle
- Bontrager P3 Verse Pro, carbon rails, 145mm width
- Component Spacer
- Full Speed Ahead Knock Block Headset Spacers 10mm, Trek Proprietary Steer Stop System, 10mm x 28.6mm Steer, Must Be Paired With Trek Knock Block Headset and Bontrager Knock Block Stems; Full Speed Ahead Knock Block Headset Spacers 5mm, Trek Proprietary Steer Stop System, 5mm x 28.6mm Steer, Must Be Paired With Trek Knock Block Headset and Bontrager Knock Block Stems
- Component Spokes
- DT Swiss Aerolite, Nailhead, Bladed, Butted 14/17/14g, Stainless, 295mm, Black; DT Swiss Aerolite, Nailhead, Bladed, Butted 14/17g, Stainless, 296mm, Black
- Component Battery
- Fazua Evation Battery, 252wh; SRAM AXS Battery Pack, Powering AXS Derailleurs and Reverb Posts, 1 Powerpack, SRAM Part Number 00.3018.201.000
- Component Bearing
- FSA Headset Bearing, MR122, 1-1/8in; FSA Headset Bearing, MR127, 1.5in
- Component Charger
- Fazua Evation Charger, US/CA. Fazua part: AS-5002000502, Voltage input 90-120V
- Component Headset
- Knock Block Headset with 62-degree turning radius, Requires Trek Proprietary Knock Block Steer Stop Frame, Includes Lower Crown, Bearings, Compression Ring, Frame Chip & Fastener, and Top Bearing Cover. Knock Block Specific Spacers Sold Separately
- Component Shifter
- SRAM Rear Shifter XX1 AXS 2-Button
- Component Cassette
- SRAM Cassette 1299 Eagle 12 Speed, 11-52, Rainbow, SRAM Part Number 00.2418.101.002
- Component Fastener
- Trek Fastener M4x0.7x16mm Flat Head Countersunk 3mm Hex Driver For Use with Knock Block Frame Chip and Control Freak Cable Management, quantities needed vary by bike model; Trek Fastener M5x0.8x10mm
- Component Hub Part
- Shimano Non-Series Component set. Item Number: SM-HB20. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Seatpost
- Bontrager XXX, OCLV Carbon, 31.6mm, 0mm offset, 330mm length
- Component Brake Pad
- Brake Pad, Shimano D-Series Shape : CONFIRM COMPATIBILITY BEFORE USE. BRAKE SPEC IS SUBJECT TO SUBSTITUTION AND MAY VARY.
- Component Crank Arm
- E*thirteen E*spec Race Carbon, 32T, 170mm length, E*Thirteen Part Number CS4ERM-110
- Component Handlebar
- Bontrager Handlebar Line Pro Carbon 35mm, 750mm Wide, 15mm Rise
- Component Mainframe
- OCLV Mountain Carbon main frame & stays, IsoStrut, tapered head tube, Knock Block, Control Freak internal routing, Boost148, 60mm travel
- Component Tire Part
- Bontrager TLR Tire Sealant 6 oz. Bottle
- Component Brake Part
- Shimano KSMMAF203PPA Disc Brake Mount Adapter
- Component Chain Ring
- SRAM Eagle Chainring 32t 104 BCD, X-Sync for E-MTB, Aluminum, Black, SRAM Part Number 00.6218.011.000
- Component Controller
- Fazua Controller Disply BX
- Component Crank Part
- SRAM Chainring Bolt Kit, Steel, Black, SRAM Part Number 11.6918.005.000; FSA Crankarm 104 BCD Spicer for Fazua
- Component Rear Wheel
- Bontrager Kovee XXX, OCLV Mountain Carbon, Tubeless Ready, DT Swiss 54T engagement, centerlock, SRAM XD driver, Boost148, 12mm thru axle
- Component Brake Rotor
- Shimano XTR Rotor. Item Number: RT-MT900-L, 203mm, Center Lock. (Visit si.shimano.com for compatibility, manuals and exploded views); Shimano Steps Rotor. Item Number: RT-EM910-M, 180mm, Center Lock. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Component Front Wheel
- Bontrager Kovee XXX, OCLV Mountain Carbon, Tubeless Ready, centerlock, Boost110, 15mm thru axle
- Component Seat Collar
- Bontrager Seatpost Clamp, 36.4mm Bolt-On, Black
- Component Ebike System
- Fazua EBike Systems Locker Adjustment Plate
- Component Headset Part
- FSA Compression Ring, FSA p/n H2048; FSA 1.5'' Crown Race, FSA p/n H6083; Bontrager Headset Top Cap for Knock Block Black
- Component Bike Part Misc
- SRAM Hinge Clamp Matchmaker X, For Discrete Brake/Shifter/Suspension/Seatpost Control, Left & Right Pair, Black; SRAM Hinge Clamp Matchmaker X, For Discrete Brake/Shifter/Suspension/Seatpost Control, Left & Right Pair, Black; FSA Lockring, for Fazua System Crankset
- Component Bottom Bracket
- Fazua Bottom Bracket EU/US, Fazua PN 5002000201
- Component Touch Up Paint
- Paint Color: Matte Trek Black, TK001-S; Paint Color: Gloss Radioactive Red, TK418-S
- Component Rear Derailleur
- SRAM Rear Derailleur XX1 AXS 12-Speed
- Component Suspension Part
- Bontrager Drop Lock remote, Black
- Bottom Bracket
- Fazua Bottom Bracket EU/US, Fazua PN 5002000201
- Chain
- SRAM Chain XX1 Eagle with Powerlink, 12-Speed, 114 Links, Rainbow, SRAM Part Number 00.2518.039.003
- Seatpost
- Bontrager XXX, OCLV Carbon, 31.6mm, 0mm offset, 330mm length
- Saddle
- Bontrager P3 Verse Pro, carbon rails, 145mm width
- Handlebar
- Bontrager Handlebar Line Pro Carbon 35mm, 750mm Wide, 15mm Rise
- Headset
- Knock Block Headset with 62-degree turning radius, Requires Trek Proprietary Knock Block Steer Stop Frame, Includes Lower Crown, Bearings, Compression Ring, Frame Chip & Fastener, and Top Bearing Cover. Knock Block Specific Spacers Sold Separately
- Rear Derailleur
- SRAM Rear Derailleur XX1 AXS 12-Speed
- Stem
- Bontrager Stem Kovee Pro 35mm, 13° Rise, 60mm Reach
- Cassette
- SRAM Cassette 1299 Eagle 12 Speed, 11-52, Rainbow, SRAM Part Number 00.2418.101.002
- Fork
- RockShox SID Ultimate, DebonAir spring, Charger Race Day damper, remote lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
- Shifter
- SRAM Rear Shifter XX1 AXS 2-Button
- Motor
- Fazua Evation Motor, 20mph US / 25kph EU, Fazua PN 5002000101
- Charger
- Fazua Evation Charger, US/CA. Fazua part: AS-5002000502, Voltage input 90-120V
- Battery
- Fazua Evation Battery, 252wh; SRAM AXS Battery Pack, Powering AXS Derailleurs and Reverb Posts, 1 Powerpack, SRAM Part Number 00.3018.201.000
- Color
- Bluedark_Blue; Orange_Red; Red_Black; Bluedark_Pink
- Spokes
- DT Swiss Aerolite, Nailhead, Bladed, Butted 14/17/14g, Stainless, 295mm, Black; DT Swiss Aerolite, Nailhead, Bladed, Butted 14/17g, Stainless, 296mm, Black
- Rear Wheel
- Bontrager Kovee XXX, OCLV Mountain Carbon, Tubeless Ready, DT Swiss 54T engagement, centerlock, SRAM XD driver, Boost148, 12mm thru axle
- Front Wheel
- Bontrager Kovee XXX, OCLV Mountain Carbon, Tubeless Ready, centerlock, Boost110, 15mm thru axle
- Brake
- Shimano XTR Brake Set. Item Number: BL-M9120(L) - BR-M9120(F), Resin Pad (with Fin), Post Mount, Hose: SM-BH90-SBM, Hose length: 850mm, Compatible brake pads: K03Ti (Resin), K04Ti (Metal). (Visit si.shimano.com for compatibility, manuals and exploded views); Shimano XTR Brake Set. Item Number: BL-M9120(R) - BR-M9120(R), Resin Pad (with Fin), Post Mount, Hose: SM-BH90-SBM, Hose length: 1700mm, Compatible brake pads: K03Ti (Resin), K04Ti (Metal). (Visit si.shimano.com for compatibility, manuals and exploded views)
- Grips
- ESI Grip Chunky 130mm, Black
- Nipple
- Alpina, Alloy, 14g, 15mm, Locking, Hex Head, Black
- Seat Collar
- Bontrager Seatpost Clamp, 36.4mm Bolt-On, Black
- Tire
- Bontrager Tire XR3 Team Issue 29x2.40'' TLR
- Touch-Up Paint
- Paint Color: Matte Trek Black, TK001-S; Paint Color: Gloss Radioactive Red, TK418-S
- Bearing
- FSA Headset Bearing, MR122, 1-1/8in; FSA Headset Bearing, MR127, 1.5in
- Brake Rotor
- Shimano XTR Rotor. Item Number: RT-MT900-L, 203mm, Center Lock. (Visit si.shimano.com for compatibility, manuals and exploded views); Shimano Steps Rotor. Item Number: RT-EM910-M, 180mm, Center Lock. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Fastener
- Trek Fastener M4x0.7x16mm Flat Head Countersunk 3mm Hex Driver For Use with Knock Block Frame Chip and Control Freak Cable Management, quantities needed vary by bike model; Trek Fastener M5x0.8x10mm
- Headset Part
- FSA Compression Ring, FSA p/n H2048; FSA 1.5'' Crown Race, FSA p/n H6083; Bontrager Headset Top Cap for Knock Block Black
- Spacer
- Full Speed Ahead Knock Block Headset Spacers 10mm, Trek Proprietary Steer Stop System, 10mm x 28.6mm Steer, Must Be Paired With Trek Knock Block Headset and Bontrager Knock Block Stems; Full Speed Ahead Knock Block Headset Spacers 5mm, Trek Proprietary Steer Stop System, 5mm x 28.6mm Steer, Must Be Paired With Trek Knock Block Headset and Bontrager Knock Block Stems
- Tire Part
- Bontrager TLR Tire Sealant 6 oz. Bottle
- Valve
- Bontrager TLR Valve, 50mm, Black
- Brake Pad
- Brake Pad, Shimano D-Series Shape : CONFIRM COMPATIBILITY BEFORE USE. BRAKE SPEC IS SUBJECT TO SUBSTITUTION AND MAY VARY.
- Controller
- Fazua Controller Disply BX
- Hub Part
- Shimano Non-Series Component set. Item Number: SM-HB20. (Visit si.shimano.com for compatibility, manuals and exploded views)
- Chain Ring
- SRAM Eagle Chainring 32t 104 BCD, X-Sync for E-MTB, Aluminum, Black, SRAM Part Number 00.6218.011.000
- Brake Part
- Shimano KSMMAF203PPA Disc Brake Mount Adapter
- Crank Part
- SRAM Chainring Bolt Kit, Steel, Black, SRAM Part Number 11.6918.005.000; FSA Crankarm 104 BCD Spicer for Fazua
- Mainframe
- OCLV Mountain Carbon main frame & stays, IsoStrut, tapered head tube, Knock Block, Control Freak internal routing, Boost148, 60mm travel
- Shock
- Trek IsoStrut from Fox for E-Caliber Size Small, Factory DPS 2-Position Remote 972-61-258, Remote anchor offset clocking for frame fitment, 235mm x 32.5mm, Push to Lock, Black
- Lock
- Fazua EBike Systems Locker, Fazua PN 5002000602; ABUS Fazua IT1 Plus Battery Lock
- Crank Arm
- E*thirteen E*spec Race Carbon, 32T, 170mm length, E*Thirteen Part Number CS4ERM-110
- Bike Part Misc
- SRAM Hinge Clamp Matchmaker X, For Discrete Brake/Shifter/Suspension/Seatpost Control, Left & Right Pair, Black; SRAM Hinge Clamp Matchmaker X, For Discrete Brake/Shifter/Suspension/Seatpost Control, Left & Right Pair, Black; FSA Lockring, for Fazua System Crankset
- Suspension Part
- Bontrager Drop Lock remote, Black
- Ebike System
- Fazua EBike Systems Locker Adjustment Plate
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.