Fenwick's FS-1 concentrate (1l) review

Fenwick's FS1 bike cleaner
Cycling Weekly Verdict

You'll still be getting excellent value - only £2 per litre, it's biodegradable and smells nice too.

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Fenwick's FS-1 is a versatile cleaner.

Used at full strength it's an effective degreaser, happily shifting thick grime off chains and sprockets.

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