Opel Speedster Operation, Safety, Maintenance Manual page 60

= chains
~:ii::-:- page 88 for restrictions.
; re chains may be used only on the drive
eels (rear axle). They must be fitted
mmetrically on the tyre to ensure that they
- seated concentrically.
.33" lyfine|inked chains - not protruding more
an 15 mm on the tyre tread and inboard
des (including chain lock) - as
:: ommended by Opel may be used.
tyre chains may only be used at speeds up to
km/h (30 mph) and, when travelling on
Tn that are free of snow, they may only be
:_; sed for brief periods since they are subject to
1*: pid wear on a hard road and may snap.
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