RideFast May 2018

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For the 5th version of the Road series, Michelin kept everything customers loved about the best-selling Pilot Road 4 tyre, but went to work on enhancing grip, in both wet and dry conditions. The result is a tyre, that they say, corners and brakes better in all road conditions – even with thousands of kilometres on it! I was sent to Seville in Spain to find out how they did it and if it worked! Tyre Tech Michelin has completely redesigned the Road 5, hoping to ingrain it with greater abilities than its predecessor. They focussed on three key features to improve the tyres construction and design. ACT (Adaptive Casing Technology): Though invisible to the eye, the carcass of the Road 5 takes a big step forward from the Pilot Road 4. Michelin’s new ACT technology makes the body plies across the face of the tyre thin, to maintain lightness, but adds thicker plies at the sidewalls for added rigidity, feedback, and cornering confidence. New 2CT+ Tyre Compound: Both the front and the rear tyres in the Road 5 use Michelin’s 2CT dual-compound construction, with a harder, longer-lasting compound in the center for higher mileage, and a softer compound in the center for higher grip when cornering. The down side of this is that the softer compound on the sides creates a compromise in rigidity, so the solution is Michelin’s new 2CT+. This uses a baselayer of the firmer center compound across the entire face of the tread, with a top layer of soft compound over it on the sides, creating a tyre with great ridigidy and feedback while keeping a grippy surface. (The 2CT+ construction is used only on rear Road 5s; front Road 5’s retain 2CT construction.) New XST Evo Siping on Tread: With less siping for higher dry grip, Michelin had to make the existing siping work more efficienly to evacuate water from the tread. To do this, they designed their revolutionary new XST Evo siping, which actually has channels in the shape of an inverted trapezoid (wider toward the base of the tread) instead of simple rectangular channels. That not only helps the Road 5 shed water faster, it retains this effect for a longer time – Road 5s actually stop just as hard on a wet road with over 5000km on them as brand new Pilot Road 4s! (Check out the video on our Facebook page) They used a 3D printer? Probably the biggest introduction on the Road 5 is the use of 3D printing - a first in the tyre manufacturing business. No, not the one you can buy and use in your house. This is a bit more involved than that. Michelin acquired unique expertise in the design and production of the complex components used for the moulds that make the Road 5’s siped tread pattern. (Note: Sipes are the grooves in the tyres that direct water) In April 2016, Michelin joined forces with the world-renowned production tool engineering specialist Fives to create a new joint venture, namely AddUp. Based near Clermont-Ferrand, France, AddUp has every intention of becoming a key player in the world of metal additive manufacturing, a form of 3D printing. Although a common practice already in the plastics industry, 3D metal additive manufacturing is a recent but rapidly expanding activity. Aimed initially at Thanks to new 3D printing, Michelin are able to create tyre mould with much better grooves (sipes), which helps with holding the water for better grip in the wet even after high mileage. The XST+ sipe on a new tyre tread (left) versus on a worn one (right) after 5000km. Without the enlarged inner section the water would completely fill the sipe on the bottom. To maintain straight-line stability, Michelin stresses that the tyre’s crown needs to remain supple. By utilizing a casing with cords that are almost 90°, the Road 5 achieves this softness. However, the sidewalls need stiffness to combat cornering forces. Michelin achieves this by wrapping the casing around the tyre bead and back onto itself. Since the casing’s cords are not exactly at 90° to the tyre’s rotation, the cords overlap themselves at an angle (rather than being parallel to each other) for further rigidity. 32 RIDEFAST MAGAZINE MAY <strong>2018</strong>
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Page 1: MAY 2018 SIMPLE. PROGRESSIVE. SA LA
Page 4 and 5: Contents MAY 2018 PG22: COVER STORY
Page 6 and 7: 2018 YAMAHA MT-07 TO BE REVEALED AT
Page 8 and 9: KTM ENTERS INTO A JOINT VENTURE WIT
Page 10: RAINBOW MZANSI BIKERS ORGANISATION
Page 13 and 14: Merge with Nature. www.Shoei.com Sh
Page 15 and 16: PERFORMANCE. INNOVATION. DOMINATION
Page 17 and 18: AWARD YOURSELF WITH AWARD WINNING T
Page 19 and 20: * Dual compound technology The new
Page 21 and 22: MOTO MATE BRINGS YOU THE LARGEST BI
Page 24 and 25: STREET SMART SA LAUNCH TEST: CAPE T
Page 26: The Youngblood Arts and Cultural De
Page 29 and 30: Please make no attempt to imitate t
Page 31 and 32: SPECS VITPILEN 701 Engine: 692.7cc
Page 33: WHEN WET NOT SLIPPERY MICHELIN ROAD
Page 37 and 38: The grip on offer on the wet track
Page 39 and 40: MotorcycleFanatix 2013 Yellow Busa
Page 41 and 42: Brought to you by and melt battery
Page 43 and 44: BUYERS’ GUIDE SPORTBIKES / NAKED
Page 45: NAKEDSPORTBIKES Recommended retail
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Page 50: CRUISER/RETRO/SCRAMBLERBIKES Recomm
Page 53 and 54: RIDEFAST MAGAZINE MAY 2018 51
Page 55 and 56: THE ALL-NEW MT-07 WILL BE REVEALED
Page 57 and 58: RED IS THE NEW BLACK The Ducati sup
Page 60 and 61: Riding both bikes, we found ourselv
Page 62 and 63: BOLOGNA VS NOALE Ducati’s new V4
Page 64 and 65: SA CUSTOM BUILD BUILT NOT BOUGHT YA
Page 66 and 67: I contacted the guy and we came to
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PROUDLY SUPPORTS SOUTHAFRICABIKEFES
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RideFast May 2018

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