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6.4 Drop-out mounting
The frame of the Super Commuter+ / Zouma+ bicycles is designed to fit two types of drop-outs; one type for
derailleur and one type to fit IGH/Nuvinci hubs.
The main difference between both is the presence of the derailleur hanger on the derailleur type and the slightly
different shape of the axle holes.
The design of the drop-out mounting makes it possible to adjust the chain tension on bicycles with an IGH hub, by
sliding the drop-outs over max. 20mm from one end to the other. The frame has a feature to fine-tune the chain
tension, by turning two bolts.
By design, the rear brake caliper and rear rack are mounted to the drop-outs.
Bicycles with a derailleur also have a rear derailleur protector mounted with the bolts that hold the drop-outs.
1. IGH drop-outs
2. Derailleur drop-outs
3. Bolt M5x28, A2, DIN912 (2x)
4. Plate
5. Rear derailleur protector (only on derailleur bicycles)
6. Bolt M8x16, steel 10.9, thread lock pre-applied (4x)
Overview of the drop-out parts
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