Cannondale Synapse Carbon Owner's Manual page 83

Right Chainstay Plate
On mountain or road bikes, the chainstay plate (1)
is located on the right chainstay (2) just behind
the chainrings (3). This plate protects the carbon
(composite) chainstay from damage in the event the
chain is dropped from the chainring.
Figure 25.
downtube Protector
On mountain bikes, placement on the down tube
protector (1) on the downtube (2) reduces the
potential for damage caused by debris thrown by the
wheel.
Figure 26.
Chainstay Protector
On mountain or road bikes, the chainstay protector
is a clear, adhesive film applied to the upper surface
of the right chainstay. This protector can prevent
damage to the chainstay caused by the chain.
Figure 27.
On mountain bikes, a wrap-around fabric type
protector (1) can be installed as additional
protection.
Figure 28.
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