The collision took place at Hodge Brow.
Now Chorley Police have launched an appeal for witnesses.
A spokesman said: "Did you witness a collision between a cyclist and an off-road biker on Hodge Brow, Rivington at 4pm on 29th August?
"We’re trying to establish what happened and trace two off-road riders."
Most Popular
-
1
M6, M61 and M55 delays in Preston due to Blackpool Air Show and Lake District holiday traffic
-
2
Lanes reopen after car crash on M6 brings Preston motorway traffic to a halt with severe delays expected
-
3
Driver caught 'snoring merrily away' on the M6 near Bamber Bridge with full-beam headlights and engine running
-
4
Thunderstorms and heavy downpours of rain predicted to hit Lancashire as Met Office issues yellow weather warning
-
5
Two Preston men arrested after serious assault near Harris Museum
Email [email protected] quoting log number 915 of 29 August.