BOX Two Prime 9 eBike Cassette - 9-Speed 12-50t Black CheckoutSpec= 133x30x60 It works exclusively with Tacx®

It works exclusively with Tacx® NEO 3M and 2T smart trainers and allows for more natural movement due to the built-in motion base and interactive steering when paired with compatible apps

Size M Certification CPSC e-Bike approved No Visor Yes Misc Champagne Gold Helmet sizing in cm 52 - 58cm Integrated Light Yes Primary Color Gold

Soft inner divider helps prevent damage to a spare tube or phone

Defined Color Black Direct Mount Type Direct Mount SRAM Drivetrain Speeds 12 Material Aluminum Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 40

5 Body Eyelet Standard Default Settings 1 Token R25 C37 Frame Compatibility Trek Session 2022+ Spring Adjustments Air pressure Bottomless tokens Primary Color Black Damping Adjustments Externall rebound Low & High speed comp Hydraulic Bottom Out Spring Type Air

BOX Two Prime 9 eBike Cassette - 9-Speed 12-50t Black CheckoutSpec= 133x30x60 It works exclusively with Tacx®The BOX Two Prime 9 Cassette delivers long service life and extra range. All cogs are stamped from steel and the larger ones are pinned to alloy spiders. Cogs pinned to lightweight spiders Ultra wide ratio with consistent progression Prime 9 technology Compatible with HG freehub bodies Range 12 50 Cogs 12 14 16 18 22 28 34 42 50 Cassette Body Type Shimano HG Drivetrain Speeds 9 Color Black Designed for ebike Yes Defined Color Black