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EXHAUST

TIRES

TUBES /

TIRE ACC.

BODY / FRAME

ACCESSORIES

LUGGAGE /

SEATS

COVERS /

SECURITY

WINDSHIELDS

HANDLEBARS /

CONTROLS

LEVERS /

CABLES

FUEL SYSTEMS

AIR FILTERS

OIL FILTERS

ELECTRICAL

LIGHTING /

GAUGES

BATTERIES /

CHARGERS

ENGINE /

CLUTCHES

SUSPENSION /

BEARINGS

CHAINS / BELTS

SPROCKETS

BRAKING

COMPONENTS

CHINESE

VEHICLE PARTS

CHEMICALS

GAS CANS

TOOLS /

HARDWARE

TRANSPORT /

TRAILER

PROMOTIONAL

REFERENCE

INDEX

890

• Manufactured from 7075 T6-51 aluminum

• Stronger than steel sprockets in tensile, yield and shear

strength (See chart)

• Far lighter than steel for less unsprung weight

• Made from full thickness aluminum for maximum strength

• Available in a full range of tooth sizes

STANDARD REAR

• The finest countershaft sprocket manufactured in the world

• Far exceeds the critical requirements of today's high horsepower bikes

• Manufactured from steel alloy approaching 200,000 psi yield

• CNC machined from high grade alloy steel

• Meets or exceeds OEM specifications

• Heat treated for long life and less wear

• Broached specially for maximum spline to shaft contact

• Available in a full range of tooth sizes

OEM REPLACEMENT

Material

Brinell Hardness

Plain Aluminum

6061-T6

95

Mild Steel

1010

116

PBIs aircraft alloy aluminum 7075-T6-51

150

COUNTERSHAFT SPROCKETS

REPLACEMENT COUNTERSHAFT SPROCKET CLIPS

(ACTUAL SIZE)

REAR SPROCKETS

MADE IN THE USA BY THE PROS

FOR THE PROS

90

80

70

60

50

40

30

20

10

STRONGER THAN STEEL

ENDURANCE

LIMIT

SHEAR

STRESS

YIELD

STRENGTH

TENSILE

STRENGTH

ALUMINUM

ALUMINUM

ALUMINUM

ALUM

STEEL

STEEL

STEEL

STEEL

PBI - PBI - PBI - PBI - PBI

PBI - PBI - PBI - PBI

PBI - PBI -

PBI -

Desc.

WPS # List

Small Clip

50-006 $.95

Desc.

WPS # List

Medium Clip

50-007 .95

Desc.

WPS # List

Large Clip

50-008 .95

SPROCKETS