DH Chain tensioner + DH Chain guide
The Rohloff DH Chain tensioner (Article No. 8245) has been constructed for extreme downhill use. The Rohloff DH Chain tensioner's geometry guarantees a secure run of the chain from its upper jockey wheel onto the sprocket even under the most extreme riding conditions.
The Rohloff DH Chain guide (Article No. 8291) prevents inward chain derailment onto the SPEEDHUB shell.
These two components together form the kit. The DH kit is (Article No. 8293).