Yes as the heading says Lidl is selling Bike Gear, this time 21 items, from next Monday 16th March. Experience tells me that what they sell is of usually of decent quality and at a fair price.
The link is to my local store and available items may vary across the country.
https://www.lidl.co.uk/uk/home.nsf/pages/c.o.20090316.index.ar4?OpenDocument&resetFilialDaten=1&aktualisierung=1&id=19&country=GB&zipcode=DY13+8YL&city=Worcestershire&city2=Stourport&street=Vale+Road&ar=4&nf=True