Enviolo Interface gets stucked when wheel screw tightened on Tern GSD Gen 1

odoll

New Member
Region
Europe
Hi folks,

we run a GSD S00 Gen1 with an Enviolo Cargo / Heavy Duty 380 gear hub for nearly 5 years (and ~ 34,000 km), now.
So it's not the first time we have to replace the sprockets and chain. (We're used to drive it with a changed ratio with a 21T sprocket on the Bosch and 18T on the Enviolo)

But though I think I run the maintenance as before we can't shift when we put the wheel back into frame and tighten the screw on the side where the interface sits on top of the sprocket.
IMO we re-assembled everything in the right order: sprocket on the hub followed by the spacer and the snap ring (B - 17 to 22-tooth flat sprocket)
Next the interface fixed to the hub with a flat washer and the slit screw with the hole for the wheel bolt.

Are we missing anything here? When I tighten the wheel bolt I can't turn the interface's gear ring any longer.
 

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