FFitMyTrainer
Checker

Elite Justo 2 vs JetBlack WhisperDrive Smart

Quick answer

Both the Elite Justo 2 and the JetBlack WhisperDrive Smart are direct-drive trainers that accept the common road and MTB axles. The Elite Justo 2 offers Shimano HG 11-speed road, SRAM XD Driver Body, SRAM XDR Driver Body, Shimano Micro Spline and Campagnolo; the JetBlack WhisperDrive Smart offers Shimano/SRAM HG (HyperGlide), Campagnolo and SRAM XD Driver Body. Use the checker below to see which fits your exact bike.

Specs side by side

Elite Justo 2JetBlack WhisperDrive Smart
Drive typeDirect driveDirect drive
Axle standards130 mm quick-release, 135 mm quick-release and 12 × 142 mm thru-axle130 mm quick-release, 135 mm quick-release, 12 × 142 mm thru-axle and 12 × 148 mm Boost thru-axle
Thru-axle adapterIncludedIncluded
Freehub (in box)Shimano HG 11-speed roadShimano/SRAM HG (HyperGlide)
Freehub optionsShimano HG 11-speed road, SRAM XD Driver Body, SRAM XDR Driver Body, Shimano Micro Spline and CampagnoloShimano/SRAM HG (HyperGlide), Campagnolo and SRAM XD Driver Body
CassetteShimano 105 12-speed road cassette pre-installedSold separately
Max cassette speed12-speed11-speed
Virtual shiftingYesNo
ProtocolsANT+PLUS, ANT+FEC, BLUETOOTH, WIFIANT+PLUS, ANT+FEC, BLUETOOTH
Power accuracy±1%±5%
Max power2300 W2500 W
Max gradient24%16%
Flywheel7.2 kg6.5 kg
MSRP$1199$1099
StatusCurrentDiscontinued

Which fits your bike — Elite Justo 2 or JetBlack WhisperDrive Smart?

26Drops straight in3Fits with parts1Not supported
  • Elite AvantiDrops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Elite Direto XRDrops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
  • Elite JustoDrops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Elite Justo 2Drops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
  • Elite Suito-TDrops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Elite TuoDrops straight in
    • Wheel-on — it clamps your rear axle and uses your existing wheel and cassette.
  • Elite ZumoDrops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • JetBlack VOLT V2Drops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Kinetic R1Drops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
  • Saris H2Drops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Saris H3Drops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Tacx Flux 2 SmartDrops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Tacx NEO 2Drops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Tacx NEO 2TDrops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Tacx NEO 3MDrops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
  • Van Rysel D100Drops straight in
    • Ships with the Zwift Cog — virtual shifting means no cassette to match.
  • Van Rysel D500Drops straight in
    • Ships with the Zwift Cog — virtual shifting means no cassette to match.
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Wahoo KICKR CORE 2Drops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
  • Wahoo KICKR MOVEDrops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
  • Wahoo KICKR V5 (2020)Drops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
  • Wahoo KICKR V6 (2022)Drops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
  • Xplova Noza SDrops straight in
    • You’ll fit your own cassette (or buy a matching one).
    • Drops straight in — adapter and freehub are covered out of the box.
  • Zwift Hub (classic)Drops straight in
    • Drops straight in — adapter and freehub are covered out of the box.
  • Zwift Hub OneDrops straight in
    • Ships with the Zwift Cog — virtual shifting means no cassette to match.
  • Magene T300Fits with parts
    • Needs a thru-axle adapter (sold separately).
    • You’ll fit your own cassette (or buy a matching one).
  • Tacx Flux S SmartFits with parts
    • Needs a thru-axle adapter (sold separately).
    • You’ll fit your own cassette (or buy a matching one).
  • Wahoo KICKR SNAPFits with parts
    • Needs a thru-axle adapter (sold separately).
  • Tacx Flow SmartNot supported

    No support for your 12 × 142 mm thru-axle axle on this trainer.

Frequently asked questions

Both accept the same common road and MTB axles, so the deciding factor is the freehub for your cassette: the Elite Justo 2 offers Shimano HG 11-speed road, SRAM XD Driver Body, SRAM XDR Driver Body, Shimano Micro Spline and Campagnolo, while the JetBlack WhisperDrive Smart offers Shimano/SRAM HG (HyperGlide), Campagnolo and SRAM XD Driver Body. Run your drivetrain through the checker to see which is a clean drop-in.