Here’s an idea that’s so obvious it’s
amazing no one’s done it before…
It looks like a single ring chain guide
but it’s actually a stiff polycarbonate
guide securely bolted to either side of
an XT front mech (included in the
price). It’s designed for use on bikes
that come with two chainrings and
a bashring and is precisely shaped to
extend the front mech cage and stop
the chain from flapping around on
rough ground. It shifts the chain
between rings far more securely than
a front mech alone and it seems to
be impossible to get the chain to fall
off. It comes with a bottom bracket
mounted 6061 alu plate with a roller
that keeps the lower chain run to the
rear mech in tension.
In rough conditions, where you’d
normally be hesitant to shift gear, the
glorified front mech cage works
better than a standard mech. It does
exactly what it’s supposed to do and
does it well. Check your tyre and
swingarm clearances before you buy
– a Dualrailleur needs a bit more
room than a standard mech. It comes
in top and bottom swing and e-type
versions, and there’ll be a high
impact plastic bash ring soon for
another £15. Steve
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