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Aero-vent balance, MIPS and bright shells all trending updwards
Patriotic paint, progressive features and prototype Zipp wheels
From new-school Assos to old-school Italian to a new custom SpeedShop Program
The Pivot Cycles M4X uses post mount rear brake tabs.
Could public response shape company's production?
Pivot Cycles showed off a new four-cross/slalom variant of its popular Mach 4 at this year's Sea Otter Classic tentatively called M4X. Built for the company's factory racing team, Pivot may or may not bring the prototype into production depending on public response.
The special frame features 100mm of travel and a tapered head tube like on the standard Mach 4 but generally stouter construction throughout, a modified geometry with a shorter rear end, lower-slung front triangle, and slacker head tube angle, ISCG tabs integrated into the machined bottom bracket shell, a unique aluminum lower link on the dw-link suspension design – which has likely been retuned for a firmer feel to better suit bigger hits and faster speeds – and a 142x12mm rear end for extra stiffness.
Also unique to the M4X is an ultra-burly replaceable derailleur hanger, post-mount rear brake tabs, twin upright braces on the rear triangle, and a threaded bottom bracket shell.
Pricing was unavailable on account of the bike's hitherto uncertain production future nor do we have a claimed weight at the moment – though it's fair to say that the M4X is almost certainly some degree heavier than a standard Mach 4.
This article appeared on Bikeradar. All CN's Sea Otter 2011 content can be found here.