5
REAR HUB CLEANING AND LUBRICATION
This procedure should be completed once per riding season or more frequently during severe wet conditions.
TOOL LIST
Light degreaser or solvent such as Simple Green
Small flat head screwdriver or pick
Pawl and spring kit, hub seal, end cap seal kit (optional)
12 mm blind bearing puller or vise with soft jaws (optional)
Lint-free rag
Rubber gloves
HUB REMOVAL
1. Firmly pull the drive side end cap and cassette body by hand to remove them.
NOTICE: All Race Face end caps are designed to be removed by hand. Clamping end caps with vise jaws or
pliers can damage them. A rubber glove can help improve grip. A 12 mm blind bearing puller tool can be used for
dicult to remove end caps.
2. Remove the cassette body 12.55 mm spacer.
TIP: This spacer can be located on the axle against the drive side hub shell bearing OR it can stick to the inner
cassette body bearing inner race.
3. Inspect the cassette body seal lip for tears or worn edge. Use a flathead screwdriver or pick to remove and replace
the seal if it is damaged.
4. Remove the non-drive side end cap by hand.
NOTICE: All Race Face end caps are designed to be removed by hand. Clamping end caps with vise jaws or
pliers can damage them. A rubber glove can help improve grip. A 12 mm blind bearing puller tool can be used for
dicult to remove end caps.
5. Use a small flat head screwdriver or pick to remove the non-drive side end cap seal.
6. Inspect the non-drive side end cap seal lip for tears or worn edge. Use a flathead screwdriver or pick to remove
and replace the seal if it is damaged.
CLEAN AND INSPECT
1. Thoroughly inspect all parts for damage and wear. Replace the cassette body if excessive wear or corrosion are
present.
2. Thoroughly clean all parts. Clean the drive ring in the hub with degreaser and a lint-free rag. Clean the cassette
body and pawls with degreaser. Be sure to use an evaporating degreaser and wait until areas are free from
degreaser before applying fresh grease. When using degreaser be sure to keep it away from the bearings.
IMPORTANT: Do NOT apply grease or Loctite to the bearing bores.
3. Use a dry, lint-free rag to clean the non-drive side outer bearing surface and cassette body outer bearing/seal.
4. Clean all the end caps and end cap seals using a light degreaser or solvent such as Simple Green. Do not use harsh
cleaners, brake cleaner, or acetone.
REAR HUB INSTALLATION
1. Apply a small and even coat of LIGHT CASSETTE BODY GREASE to the non-drive side bearing face.
IMPORTANT: Do NOT apply grease or Loctite to the bearing bores.
2. Apply LIGHT CASSETTE BODY GREASE to the inner lip of the non-drive side end cap seal. Install the seal into
the non-drive side hub shell bore. Make sure the sealing lip edge faces out. Push the seal in until it is fully seated
against the bearing. Press the VAULT 34 or VAULT 35 by hand to fully seat the non-drive side end cap seal.
3. Install the cassette body 12.55 mm spacer onto the axle.
4. Grease the hub shell drive ring with a moderate layer of LIGHT CASSETTE BODY GREASE.
5. Apply OIL inside the cassette body seal lip.
6. Shimano HG and XD cassette bodies only: Apply a thin coat of LIGHT CASSETTE BODY GREASE to inside of seal
lip at the outer cassette body bearing.
7. Slide the cassette body onto the axle. Make sure to rotate the cassette body counter-clockwise to disengage the
pawls and allow the cassette body to fully seat.
8. Micro Spline cassette bodies only: Apply a thin coat of WATERPROOF GREASE to the outer cassette body
bearing, then install the thin steel washer.
9. Install the correct end cap onto the axle, according to your cassette body specification:
NOTE: The rear longer end cap installs on the non-drive side. The front end caps are symmetrical.
Shimano HG and XD: Install the 17.5mm long end cap, which has no logo.
Micro Spline: Install the 19.3mm long end cap, which has the Micro Spline logo.
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