Durable, lightweight MX front sprockets that are
designed specifically to outlast and out perform
Precision broached and machined to the strictest
Case hardened cro-moly steel
Lightening holes keep sprocket light weight
Self-cleaning mud grooves prevent dirt build up
Special coating helps retain strength and aids
in wear resistance
Etched teeth number for easy identification
The ProTaper Race Spec (RS) rear sprockets are
of the highest quality when it comes to
materials, manufacturing processes and
self-cleaning technology. The RS sprockets boast
more tooth surface area, therefore are proven to
outlast the competition when it comes to
longevity. This is the ultimate motocross race
sprocket on the market.
7075-T6 heat treated aluminum
Precision CNC machined to the strictest of
Proprietary mud groove design results in 44%
more tooth surface area, increasing life of the
Deep penetrating anodized finish
Laser etched teeth number for easy
The PT520 XRC uses proprietary XRC ring seal
technology to handle extreme temperatures and
conditions. Lightweight ultra high strength
chromoly construction with a 8500 lb tensile
strength. Designed for offroad motorcycles and
ATVs up to 750cc.
The PT520 MX is designed to handle the
increasing horsepower demands of today' 4-stroke
motorcycles. Designed for 125-530cc
applications. Lightweight ultra high strength
chromoly construction with a 8800 lb. tensile
Dirt Tricks KTM 4-Stroke Dome Washer fits all KTM 4-strokes
using bolt/dome-washer style attachment to countershaft. Made
from heat treated toll steel. Will not flatten out, or lose it's
"dome" shape like mild steel OEM washer. Will help keep front
sprocket tight, therefore will help prevent the infamous KTM
countershaft oil leak.
(6) Grade 10 steel sprocket bolts,
(6) Fuji-style metal locking nuts,
(1) 8mm tool insert for socket wrenches
Hub-Savers are the strongest, most
complete sprocket fasteners available and have been
developed and tested at the professional level in both
motocross and offroad applications. Sprocket bolts are
a critical fastener and must be installed properly to
ensure your safety and to avoid damaging your machine.
To insure long and reliable use of these quality
clean and inspect your hub. If the hub is damaged or if
the mounting holes are oval, the hub must be replaced.
the included Allen insert in an 8mm socket wrench to
install the sprocket bolts.
If your motorcycle uses washers behind the nut, you must re-install
to your owner's manual for the proper torque (typically
25-35 ft lbs),
take the torque reading on the nut side. Never over-tighten
a permanent marker to make an aligning mark on the nut
Inspect this mark periodically to insure the nut is maintaining
If your sprocket bolts become loose, they must be
replaced! Sprocket bolts become loose only under extreme
stress, an indication that either they were installed
improperly or there is a problem with the drive line.
Check the drive line for bent chain guides, bad wheel
alignment, damaged mounting holes on the hub, etc.
Properly tightened sprocket bolts on properly
functioning drive lines will remain tight indefinitely.