Service Manual
404 Firestrike
GEN.0000000004724 Rev B
© 2015 SRAM, LLC
SRAM LLC WARRANTY
EXTENT OF LIMITED WARRANTY
Except as otherwise set forth herein, SRAM warrants its products to be free from defects in materials or workmanship for a period of two years after
original purchase. This warranty only applies to the original owner and is not transferable. Claims under this warranty must be made through the retailer
where the bicycle or the SRAM component was purchased. Original proof of purchase is required. Except as described herein, SRAM makes no
other warranties, guaranties, or representations of any type (express or implied), and all warranties (including any implied warranties of
reasonable care, merchantibility, or fitness for a particular purpose) are hereby disclaimed.
LOCAL LAW
This warranty statement gives the customer specic legal rights. The customer may also have other rights which vary from state to state (USA), from
province to province (Canada), and from country to country elsewhere in the world.
To the extent that this warranty statement is inconsistent with the local law, this warranty shall be deemed modied to be consistent with such law, under
such local law, certain disclaimers and limitations of this warranty statement may apply to the customer. For example, some states in the United States
of America, as well as some governments outside of the United States (including provinces in Canada) may:
a. Preclude the disclaimers and limitations of this warranty statement from limiting the statutory rights of the consumer
(e.g. United Kingdom).
b. Otherwise restrict the ability of a manufacturer to enforce such disclaimers or limitations.
For Australian customers:
This SRAM limited warranty is provided in Australia by SRAM LLC, 1333 North Kingsbury, 4th oor, Chicago, Illinois, 60642, USA. To make a warranty
claim please contact the retailer from whom you purchased this SRAM product. Alternatively, you may make a claim by contacting SRAM Australia, 6
Marco Court, Rowville 3178, Australia. For valid claims SRAM will, at its option, either repair or replace your SRAM product. Any expenses incurred in
making the warranty claim are your responsibility. The benets given by this warranty are additional to other rights and remedies that you may have
under laws relating to our products. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to
a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the
goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
LIMITATIONS OF LIABILITY
To the extent allowed by local law, except for the obligations specically set forth in this warranty statement, in no event shall SRAM or its third party
suppliers be liable for direct, indirect, special, incidental, or consequential damages.
LIMITATIONS OF WARRANTY
This warranty does not apply to products that have been incorrectly installed and/or adjusted according to the respective SRAM user manual. The SRAM
user manuals can be found online at sram.com, rockshox.com, avidbike.com, truvativ.com, or zipp.com.
This warranty does not apply to damage to the product caused by a crash, impact, abuse of the product, non-compliance with manufacturers
specications of usage or any other circumstances in which the product has been subjected to forces or loads beyond its design.
This warranty does not apply when the product has been modied, including, but not limited to any attempt to open or repair any electronic and
electronic related components, including the motor, controller, battery packs, wiring harnesses, switches, and chargers.
This warranty does not apply when the serial number or production code has been deliberately altered, defaced or removed.
This warranty does not apply to normal wear and tear. Wear and tear parts are subject to damage as a result of normal use, failure to service according
to SRAM recommendations and/or riding or installation in conditions or applications other than recommended.
Wear and tear parts are identied as:
Notwithstanding anything else set forth herein, the battery pack and charger warranty does not include damage from power surges, use of improper
charger, improper maintenance, or such other misuse.
This warranty shall not cover damages caused by the use of parts of different manufacturers.
This warranty shall not cover damages caused by the use of parts that are not compatible, suitable and/or authorised by SRAM for use with SRAM
components.
This warranty shall not cover damages resulting from commercial (rental) use.
• Dust seals
• Bushings
• Air sealing o-rings
• Glide rings
• Rubber moving parts
• Foam rings
• Rear shock mounting hardware
and main seals
• Upper tubes (stanchions)
• Stripped threads/bolts (aluminium,
titanium, magnesium or steel)
• Brake sleeves
• Brake pads
• Chains
• Sprockets
• Drivers
• Shifter and brake cables (inner
and outer)
• Handlebar grips
• Shifter grips
• Jockey wheels
• Disc brake rotors
• Wheel braking surfaces
• Bottomout pads
• Bearings
• Bearing races
• Pawls
• Transmission gears
• Spokes
• Free hubs
• Aero bar pads
• Corrosion
• Tools
• Motors
• Batteries
3Table of Contents
TABLE OF CONTENTS
REAR HUB SERVICE .......................................................................................................................................................................... 5
TOOLS NEEDED FOR SERVICE .......................................................................................................................................................................................................5
REPLACEMENT PARTS .......................................................................................................................................................................................................................5
REAR HUB EXPLODED VIEW ......................................................................................................................................................................................................... 6
REAR HUB BEARING REMOVAL ....................................................................................................................................................................................................7
DRIVER BODY BEARING REMOVAL ...........................................................................................................................................................................................10
DRIVER BODY BEARING INSTALLATION................................................................................................................................................................................. 13
REAR HUB BEARING INSTALLATION ........................................................................................................................................................................................ 16
FRONT HUB SERVICE ..................................................................................................................................................................... 19
TOOLS NEEDED FOR SERVICE .....................................................................................................................................................................................................19
FRONT HUB EXPLODED VIEW .....................................................................................................................................................................................................19
REPLACEMENT PARTS .....................................................................................................................................................................................................................19
FRONT HUB DISASSEMBLY ...........................................................................................................................................................................................................20
FRONT HUB ASSEMBLY ..................................................................................................................................................................................................................22
SAFETY FIRST!
We care about YOU. Please, always wear your safety glasses and
protective gloves when servicing ZIPP products.
Protect yourself! Wear your safety gear!
5Rear Hub Service
Rear Hub Service
You can service your hub while the hub is still in the wheel. However, if your spokes or rim are damaged, you can remove the hub from
the wheel which will make servicing your hub easier. To remove the hub, use a spoke wrench to detension the spokes, then use a pair of
metal snips to cut the spokes, remove the hub from the wheel, and remove the spoke ends from the hub (not pictured).
Tools Needed for Service
• Safety glasses
• Clean, lint-free rags
• Nitrile gloves
• 5 mm hex wrench
• 20 mm hex bit socket
• 5 mm hex bit socket
• Socket wrench
• Wheels Manufacturing Press-1 Sealed Bearing Press Kit
(2) 6803 Adapters from Press-1 Kit
• Flat blade screwdriver
• (2) 6803 and (2) 6903 Hub bearings
• Driver body
• Driver body pawls
• Driver body leaf springs
• SRAM® Butter
• Grease brush
• Torque wrench
• Needle nose pliers
• Pick
• Grease syringe
• Enduro Universal Blind Hole Bearing Puller Set
• 17 mm slide hammer bearing puller attachment
• Driver body seal
• Flat washer
For part numbers, please refer to the Zipp Spare Parts Catalog in the Support section of www.zipp.com.
SAFETY INSTRUCTIONS
Always wear nitrile gloves when working with bicycle grease.
Replacement Parts
6Rear Hub Exploded View
Rear Hub Exploded View
Cap nut
Bearing shield
6903 Bearing
Rear hub
Spacer tube
6903 Bearing
6803 Bearing
Flat washer
Driver body seal
Driver body
Inside Diameter Spacer
Axle
6803 Bearing
Dust Shield
7Rear Hub Bearing Removal
Rear Hub Bearing Removal
Insert a 5 mm hex wrench into the axle while holding the non-drive
side cap nut with a 20 mm hex bit socket and socket wrench. Hold
the socket wrench in place and use the hex wrench to turn the
non-drive side cap nut counter-clockwise to remove it.
Use your fingers to remove the driver body assembly from the hub
shell.
Remove the axle, by hand, from the driver body.
A flat washer rests on the bearing located on the side of the driver
body with the pawls and leaf springs. If this washer falls o when
you remove the axle, set it aside until you are ready for assembly.
Use your finger to remove the bearing shield from the non-drive
side of the hub.
20 mm hex bit 5 mm Hex
1
2
3
4
8Rear Hub Bearing Removal
Insert the 17 mm Slide Hammer Bearing Puller slotted attachment
through the non-drive side bearing. Align the slotted attachment
with the bottom of the bearing, and tighten the slotted
attachment to expand the puller inside the bearing.
NOTICE
Do not over tighten the slotted attachment.
Over tightening the bearing puller can damage the hub shell or
bearing.
For more detailed assembly and usage, see your bearing puller's
manufacturer's instructions.
Thread the rod of the bearing puller into the attachment. Grip the
slide hammer and forcefully pull away from the slotted attachment
to remove the bearing from the hub shell.
Remove the bearing from the slide hammer bearing puller.
5
17 mm Slide Hammer Bearing Puller
6
17 mm Slide Hammer Bearing Puller
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