it defintely is, with a bit of room too if the hubs is tighten on the middle of the track end, I also put it on my father's road bike, it fit the double chainring nicely, well the thin part of the lock go inbetween the two chainring, but netherless secure.
My mother's dutch bike however have an completely enclosed drivetrain, but I found an area on the unremovable rear rack where I can lock that thing on, I'll take more picture tomorrow as it's too dark.
it defintely is, with a bit of room too if the hubs is tighten on the middle of the track end, I also put it on my father's road bike, it fit the double chainring nicely, well the thin part of the lock go inbetween the two chainring, but netherless secure.
My mother's dutch bike however have an completely enclosed drivetrain, but I found an area on the unremovable rear rack where I can lock that thing on, I'll take more picture tomorrow as it's too dark.