Dirt ad Trail Online Nov 2020

TYRE TECH TALK
by Bruce de Kock, owner of Bike Tyre Warehouse Group
ALL THE PREMIUM BRANDS
THAT COUNT UNDER ONE ROOF
Motorcycle Tyre Basics
Hi Peeps
Wow November edition already and pushing as deadline is
today, Sean is on my case anyway here goes with the second
part of the 4 part series on Motorcycle Tyre basics.
Well this is number 2 of our 4 part Tyre Basics Series, I hope
you are taking in the basics so when we move to the more
advanced tyre technology you at least have the basics under
THE TYRE OUTSIDE
Part 2
your belt and are able to discern very quickly if the advice you
are receiving next time you venture out to a dealer to purchase
your next set of hoops.
From the Bike Tyre Warehouse Team take care out there on
the roads and make sure your tyres are geared for the wet
season contact any of our BTW branches for the #bestadvice
#bestservice & #bestprice
Sidewall
• Support the shoulder at full lean
• Protect casing plies
• Bear sidewall legal markings
SIDEWALL
PRODUCT
NAME
LEGAL
CERTIFICATIONS
Tread pattern (center)
Shoulder (or side)
• Road holding at full lean
THE TYRE INSIDE
BRAND
SIZE
SHOULDER (SIDE)
Its main function is to ensure grip, stability
and line holding when riding at lean.
SHOULDER (SIDE)
The slicker this area,
Its main function is to ensure grip, stability
the sportier behavoiur we may expect
and line holding when riding at lean.
from the tyre.
The slicker this area,
The more grooves this area contains, the
the sportier behavoiur we may expect
more efficient the water evacuation
from the tyre.
results.
The more grooves this area contains, the
more efficient the water evacuation
results.
MULTI COMPOUND
TREAD PATTERN
TREAD PATTERN
Side
Side
Center
16
Center
17
17
Sidewall
• Support the shoulder at full leaning
• Protect casing plies
• Host sidewall legal markings
Side
Side
CENTER
It is the section of the tire that comes in
contact with the road surface.
CENTER
It is made of a thick rubber, or
It is the section of the tire that comes in
rubber/composite compound formulated to
contact with the road surface.
provide an appropriate level of traction that
does not wear away too quickly.
It is made of a thick rubber, or
rubber/composite compound formulated to
It is characterized by the presence of
provide an appropriate level of traction that
geometrical shapes made out of grooves,
does not wear away too quickly.
blocks and in some cases sipes
It is characterized by the presence of
geometrical shapes made out of grooves,
blocks and in some cases sipes
TREAD PATTERN COMPOUND
It consists in the usage of two or more tread
compounds in different areas of the tyre, i.e.
center and shoulders.
Conventional Structure
(X-Ply)
The cords of the plies face
diagonally the rolling direction
Conventional Structure
(X-Ply)
Load
Structure is very resistant and
resilient to deformations even
when:
• the load increases
• is used in Offroad
24
28
STRUCTURE
Radial Structure
The cords of the plies face perpendicularly*
the rolling direction
* or nearly
Radial Structure
Speed
The tyre preserves its
shape also at high speed
From a technical point of view, the aim is to
create tailored performance outputs in
different areas of the tyre.
A harder compound
in the center
provides mileage
and stability.
A soft compound on
the shoulders will
increase grip in lean.
Best use:
a. Heavy weights
b. Low speed (