E*THIRTEEN HELIX R 12-SPEED CASSETTE £320
There’s something satisfying about e*thirteen’s new Helix, aside from the fact it can deliver the biggest gear range of any drivetrain out there and boasts 12 sprockets from 9-50t.
Know Your Riding Pants
This is either a full regulation zip or it can be a simple flap – the advantage with the latter is it can’t break. A waterproof zip, extra press studs (if one fails you’ve got a back-up) and Velcro tabs are a bonus. They add bulk and complexity, but
