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These are registered trademarks of SRAM, LLC: 

1:1®, Accuwatt®, Avid®, AXS®, Bar®, Blackbox®, BoXXer®, DoubleTap®, Elita®, eTap®, Firecrest®, Firex®, Grip Shift®, GXP®, 

Hammerschmidt®, Holzfeller®, Hussefelt®, i-Motion®, Judy®, Know Your Powers®, NSW®, Omnium®, Pike®, PowerCal®, PowerLock®, 

PowerTap®, Qollector®, Quarq®, RacerMate®, Reba®, Rock Shox®, Ruktion®, Service Course®, ShockWiz®, SID®, Single Digit®, 

Speed Dial®, Speed Weaponry®, Spinscan®, SRAM®, SRAM APEX®, SRAM EAGLE®, SRAM FORCE®, SRAM RED®, SRAM RIVAL®, 

SRAM VIA®, Stylo®, Torpedo®, Truvativ®, TyreWiz®, Varicrank®, Velotron®, X0®, X01®, X-SYNC®, XX1®, Zed tech®, ZIPP® 

These are registered logos of SRAM, LLC:

These are trademarks of SRAM, LLC:

10K™, 1X™, 202™, 30™, 35™, 302™, 303™, 404™, 454™, 808™, 858™, 3ZERO MOTO™ , ABLC™, AeroGlide™, AeroBalance™, AeroLink™, Airea™, Air Guides™, 

AKA™, AL-7050-TV™, Automatic Drive™, Automatix™, AxCad™, Axial Clutch™, BB5™, BB7™, BB30™, Bleeding Edge™, Blipbox™, BlipClamp™, BlipGrip™, 

Blips™, Bluto™, Bottomless Tokens™, Cage Lock™, Carbon Bridge™, Centera™, Charger 2™, Charger™, Clickbox Technology™, Clics™, Code™, Cognition™, 

Connectamajig™, Counter Measure™, DD3™, DD3 Pulse™, DebonAir™, Deluxe™, Deluxe Re:Aktiv™, Descendant™, DFour™, DFour91™, Dig Valve™, 

DirectLink™, Direct Route™, DOT 5.1™, Double Decker ™, Double Time™, Dual Flow Adjust™, Dual Position Air™, DUB™, DZero™, E300™, E400™, Eagle™, 

E-Connect4™, E-matic™, ErgoBlade™, ErgoDynamics™, ESP™, EX1™, Exact Actuation™, Exogram™, Flow Link™, FR-5™, Full Pin™, Gnar Dog™, Guide™, 

GX™, Hard Chrome™, Hexfin™, HollowPin™, Howitzer™, HRD™, Hybrid Drive™, Hyperfoil™, i-3™, Impress™, Jaws ™, Jet™, Kage™, Komfy™, Level™, Lyrik™, 

MatchMaker™, Maxle™, Maxle 360™, Maxle DH™, Maxle Lite™, Maxle Lite DH™, Maxle Stealth™, Maxle Ultimate™, Micro Gear System™, Mini Block™, 

Mini Cluster™, Monarch™, Monarch Plus™, Motion Control™, Motion Control DNA™, MRX™, Noir™, NX™, OCT™, OmniCal™, OneLoc™, Paragon™, PC-

1031™, PC-1110 ™, PC-1170™, PG-1130™, PG-1050™, PG-1170™, Piggyback™, Poploc™, Power Balance™, Power Bulge™, PowerChain™, PowerDomeX™, 

Powered by SRAM™, PowerGlide™, PowerLink™, Power Pack™, Power Spline™, Predictive Steering™, Pressfit™, Pressfit 30™, Prime™, Qalvin™, R2C™, RAIL™, 

Rapid Recovery™, Re:Aktiv ThruShaft™, Recon™, Reverb ™, Revelation™, Riken™, Rise™, ROAM™, Roller Bearing Clutch™, RS-1™, Sag Gradients™, Sawtooth™, 

SCT - Smart Coasterbrake Technology, Seeker™, Sektor™, SHIFT™, ShiftGuide™, Shorty™, Showstopper™, Side Swap™, Signal Gear Technology™, SL™, SL-

70™, SL-70 Aero™, SL-70 Ergo™, SL-80™,   Sl-88™, SLC2™, SL SPEED™, SL Sprint™, Smart Connect™, Solo Air™, Solo Spoke™, SpeedBall™, Speed Metal™, 

SRAM APEX 1™, SRAM Force 1™, SRAM RIVAL 1™, S-series™, Stealth-a-majig ™, StealthRing™, Super-9™, Supercork™, Super Deluxe™, Super Deluxe Coil™, 

SwingLink™, TaperCore™, Timing Port Closure™, Tool-free Reach Adjust™, Top Loading Pads™, Torque Caps™, TRX™, Turnkey™, TwistLoc™, VCLC™, Vivid™, 

Vivid Air™, Vuka Aero™, Vuka Alumina™, Vuka Bull™, Vuka Clip™, Vuka Fit™, Wide Angle™, WiFLi™, X1™, X5™, X7™, X9™, X-Actuation™, XC™, X-Dome™, 

XD™, XD Driver Body™, XDR™, XG-1150™, XG-1175™, XG-1180™, XG-1190™, X-Glide™, X-GlideR™, X-Horizon™, XLoc Sprint™, XX™, Yari™, Zero Loss™

Specifications and colors subject to change without prior notice.

© 2020 SRAM, LLC

This publication includes trademarks and registered trademarks of the following companies: 

STABURAGS is a registered trademark of Klüber Lubrication München KG 

Park Tool® is a registered trademark of Park Tool Co.

Summary of Contents for ZR1

Page 1: ...SERVICE MANUAL GEN 0000000006195 Rev A 2020 SRAM LLC ZR1 Hubs...

Page 2: ...ty does not apply to products that have been incorrectly installed adjusted and or maintained according to the respective SRAM user manual The SRAM user manuals can be found online at sram com service...

Page 3: ...UPPLIES 6 EXPLODED VIEW FRONT HUB 7 FRONT HUB END CAPS 7 FRONT HUB BEARING REMOVAL 8 FRONT HUB BEARING INSTALLATION 11 REAR HUB SERVICE 14 PARTS TOOLS AND SUPPLIES 14 EXPLODED VIEW REAR HUB 15 REAR HU...

Page 4: ...SAFETY FIRST We care about YOU Please always wear your safety glasses and protective gloves when servicing SRAM products Protect yourself Wear your safety gear...

Page 5: ...ication For recycling and environmental compliance information please visit www sram com company environment P a r t P r e p a r a t i o n Remove the component from the bicycle before service Clean th...

Page 6: ...lable at www Zipp com P a r t s T o o l s a n d S u p p l i e s Parts Wheel Bearing Kit Front Rear For Zipp ZR1 Hubs 61903 Safety and Protection Supplies Apron Clean lint free shop towels Nitrile glov...

Page 7: ...1903 Hub Bearing Hub Shell Axle Zipp 6903 61903 Hub Bearing End Cap F r o n t H u b E n d C a p s The end cap identification number is laser etched onto the end cap Drive Side Non Drive Side Quick Rel...

Page 8: ...e end cap into the vise insert tool and pull up on the wheel hub to remove the end cap Gently tap the exposed axle end with a plastic mallet to dislodge the axle from the hub bearings Use your thumb t...

Page 9: ...ttom of the bearing and expand it inside the bearing Do not over tighten the slotted attachment For more detailed assembly and usage see the bearing puller manufacturer s instructions Grip the slide h...

Page 10: ...embly and usage see the bearing puller manufacturer s instructions Grip the slide hammer and forcefully pull away from the slotted attachment to remove the bearing from the hub shell NOTICE To prevent...

Page 11: ...903 30x17 tool onto the threaded rod Thread the Press Tool handle onto the threaded rod Turn the handle clockwise to press the bearing into the hub until it is hand tight Do not overtighten the bearin...

Page 12: ...clockwise to press the bearing into the hub until it is hand tight Do not overtighten the bearing Remove the tools Apply grease to the non drive side axle bearing race Insert the non drive side end o...

Page 13: ...hen using a tool to install the wave spring Apply grease to the following locations on the drive side and non drive side axle end Axle front surface a Axle radial surface b Bearing front face across b...

Page 14: ...Brake Zipp ZR1 optional Safety and Protection Supplies Apron Clean lint free shop towels Nitrile gloves Safety glasses Lubricants and Fluids Isopropyl alcohol Zipp Cognition or SRAM Butter grease Kl b...

Page 15: ...ver Body SRAM XDR Driver Body SRAM 10 11 Speed Driver Body Campagnolo R e a r H u b E n d C a p s The end cap identification number is laser etched onto the end cap Driver Body Drive Side Non Drive Si...

Page 16: ...the other end cap Pull the driver body from the hub by hand Use a soft face mallet to tap the non drive side end of the axle to remove the axle and bearing from the hub Pull the axle and drive side b...

Page 17: ...until it is dislodged from the bearing Discard the bearing Spray isopropyl alcohol onto the axle and clean the axle with a shop towel NOTICE To avoid damage to the axle do not allow the axle to conta...

Page 18: ...lly pull away from the slotted attachment to remove the bearing from the driver body Insert the 17 mm Bearing Puller slotted attachment through the non drive side bearing Align the slotted attachment...

Page 19: ...aring Removal Clean the bearing bores with a shop towel Clean the ratchet ring and hub internals with isopropyl alcohol a shop towel and cotton swabs Do not remove the ratchet ring 9 Isopropyl Alcohol...

Page 20: ...x17 tool onto the threaded rod Thread the Press Tool handle onto the threaded rod Turn the handle clockwise to press the bearing into the hub until it is hand tight Do not overtighten the bearing Remo...

Page 21: ...the non drive side axle bearing race Insert a SRAM 6903 tool into the non drive side bearing bore Install the non drive side end of the axle through the hub and into the SRAM 6903 tool Install a Zipp...

Page 22: ...the last 10 15mm of the axle Installation of the driver body will distribute the grease on the entire hub axle NOTICE If a brush is used to apply grease confirm there are no loose bristles in the gre...

Page 23: ...the following locations on the drive side and non drive side axle ends Axle front surface a Axle radial surface b Bearing front face across bearing seal inner and outer ring c NOTICE If a brush is us...

Page 24: ...MatchMaker Maxle Maxle 360 Maxle DH Maxle Lite Maxle Lite DH Maxle Stealth Maxle Ultimate Micro Gear System Mini Block Mini Cluster Monarch Monarch Plus Motion Control Motion Control DNA MRX Noir NX O...

Page 25: ...1598 8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan R O C WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 U S A EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg...

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