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Summary of Contents for SRAM Zipp 77/177
- Page 1 77/177 & 76/176 Hubs s e r v i c e m a n u a l GEN.0000000004927 Rev E © 2020 SRAM, LLC...
- Page 2 LAW. FOR A FULL UNDERSTANDING OF YOUR RIGHTS, CONSULT THE LAWS OF YOUR COUNTRY, PROVINCE, OR STATE. EXTENT OF LIMITED WARRANTY Except as otherwise set forth herein, SRAM warrants its bicycle components to be free from defects in materials or workmanship for a period of two (2) years after original purchase of the product.
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Page 3: Table Of Contents
TABLE OF CONTENTS REAR HUB SERVICE ......................................5 TOOLS NEEDED FOR SERVICE ..........................................5 REAR HUB EXPLODED VIEW - 176D .........................................6 REAR HUB END CAPS - 176D ............................................6 REAR HUB EXPLODED VIEW - 177D ......................................... 7 REAR HUB END CAPS - 177D ............................................7 REAR HUB EXPLODED VIEW - 177/176 - 177 PICTURED ..................................8 REAR HUB END CAPS - 177/176 ..........................................8 REAR HUB BEARING REMOVAL ..........................................9... - Page 4 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!
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Page 5: Rear Hub Service
• 17 mm (ID) over axle bearing spacer (min length of 50 mm) Lubricants and Fluids • 17 mm (x2) (ID) over axle bearing spacers (min length of 9 mm) • SRAM® Butter grease • Wheels Manufacturing Press-1 Sealed Bearing Press Kit or • Isopropyl alcohol similar •... -
Page 6: Rear Hub Exploded View - 176D
R e a r H u b E x p l o d e d V i e w - 1 7 6 D Driver Body Driver Body Seal Disc Brake Hub Shell Shim 61903 Bearing Axle 61903 Bearing R e a r H u b E n d C a p s - 1 7 6 D Quick Release 12 mm x 142 mm Rear Hub Exploded View - 176D... -
Page 7: Rear Hub Exploded View - 177D
R e a r H u b E x p l o d e d V i e w - 1 7 7 D Driver Body Driver Body Seal Disc Brake Hub Shell Shim 61903 Bearing Axle 61903 Bearing R e a r H u b E n d C a p s - 1 7 7 D Quick Release 12 mm x 142 mm 12 mm x 135 mm... -
Page 8: Rear Hub Exploded View - 177/176 - 177 Pictured
R e a r H u b E x p l o d e d V i e w - 1 7 7 / 1 7 6 - 1 7 7 P i c t u r e d Driver Body Seal Driver Body Rim Brake Hub Shell Shim... -
Page 9: Rear Hub Bearing Removal
R e a r H u b B e a r i n g R e m o v a l The procedure for rear hub bearing removal is the same for disc brake 176D, 177D, and rim brake 176, and 177 hubs. The 177D disc brake hub is pictured. - Page 10 Install the 17 mm bearing puller slotted attachment through the non- drive side bearing. Align the slotted attachment with the bottom of the bearing, then tighten the slotted attachment to expand the puller inside the bearing. N O T I C E Do not overtighten the slotted attachment.
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Page 11: Rear Hub Bearing Installation
R e a r H u b B e a r i n g I n s t a l l a t i o n The procedure for rear hub bearing installation is the same for disc brake 176D, 177D, and rim brake 176, and 177 hubs. The 177D disc brake hub is pictured. - Page 12 Bearing adapters must not contact the axle. Use the SRAM® Butter grease syringe to apply 0.5 gram of grease onto the ratchet ring. Use your finger or a brush to spread the grease around the ratchet ring.
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Page 13: Driver Body Installation
D r i v e r B o d y I n s t a l l a t i o n The procedure for driver body installation is the same for disc brake 176D, 177D, and rim brake 176, and 177 hubs. The 177D disc brake hub is pictured. Zipp recommends replacing the entire driver body assembly if the bearings are worn or any part is damaged. -
Page 14: End Cap Installation
E n d C a p I n s t a l l a t i o n The procedure for end cap installation is the same for disc brake 176D, 177D, and rim brake 176, and 177 hubs. The 177D disc brake hub is pictured. Spray isopropyl alcohol on a rag and clean the axle and end caps. -
Page 15: Front Hub Service
• Sealed bearing bearing puller with 17 mm slotted attachment • Bench vise • Clean, lint-free shop towels Lubricants and Fluids • Grease brush • SRAM® Butter grease • Nitrile gloves • Isopropyl alcohol • Plastic mallet • Safety glasses S A F E T Y I N S T R U C T I O N S Always wear nitrile gloves when working with bicycle grease. -
Page 16: Front Hub Exploded View - 76D
F r o n t H u b E x p l o d e d V i e w - 7 6 D 61903 Bearing Axle Hub Shell 61903 Bearing F r o n t H u b E n d C a p s - 7 6 D Quick Release 15 mm x 100 mm 12 mm x 100 mm... -
Page 17: Front Hub Exploded View - 77D
F r o n t H u b E x p l o d e d V i e w - 7 7 D 61903 Bearing Axle Hub Shell 61903 Bearing F r o n t H u b E n d C a p s - 7 7 D Quick Release 15 mm x 100 mm 12 mm x 100 mm... -
Page 18: Front Hub Exploded View - 77/76 - 77 Pictured
F r o n t H u b E x p l o d e d V i e w - 7 7 / 7 6 - 7 7 P i c t u r e d 61803 Bearing Axle Hub Shell 61803 Bearing F r o n t H u b E n d C a p s - 7 7 / 7 6... -
Page 19: Front Hub Bearing Removal
F r o n t H u b B e a r i n g R e m o v a l The procedure for front hub bearing removal is the same for disc brake 76D, 77D, and rim brake 76, and 77 hubs. The 77D disc brake and 77 rim brake hubs are pictured. - Page 20 Install the 17 mm bearing puller slotted attachment through the non- drive side bearing. Align the slotted attachment with the bottom of the bearing, then tighten the slotted attachment to expand the puller inside the bearing. N O T I C E Do not overtighten the slotted attachment.
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Page 21: Front Hub Bearing Installation
F r o n t H u b B e a r i n g I n s t a l l a t i o n The procedure for front hub bearing installation is the same for disc brake 76D, 77D, and rim brake 76, and 77 hubs. The 77D disc brake and 77 rim brake hubs are pictured. - Page 22 Install the axle through the drive side of the front hub and through the non-drive side bearing. Install a new bearing over the axle, into the drive side bearing bore of the front hub with the orange seal facing outward. Drive side 6903 Bearing Drive side 6803 Bearing Front Hub Bearing Installation...
- Page 23 Slide a bearing adapter and a 17 mm (ID) over axle bearing spacer (>9 mm length) onto the threaded rod of the bearing press tool. Insert the threaded rod through the drive side of the hub shell and position the spacer on the bearing race.
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Page 24: End Cap Installation
E n d C a p I n s t a l l a t i o n The procedure for end cap installation is the same for disc brake 76D, 77D, and rim brake 76, and 77 hubs. The 77D disc brake and 77 rim brake hubs are pictured. - Page 25 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®...
- Page 26 ASIAN HEADQUARTERS WORLD HEADQUARTERS EUROPEAN HEADQUARTERS SRAM Taiwan SRAM LLC SRAM Europe No. 1598-8 Chung Shan Road 1000 W. Fulton Market, 4th Floor Paasbosweg 14-16 Shen Kang Hsiang, Taichung City Chicago, Illinois 60607 3862ZS Nijkerk Taiwan R.O.C. The Netherlands...
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