Shimano Spares SG-C7000-5R5V internal assembly - 187 mm
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Product Information
Full details
The Shimano Spares SG-C7000-5R5V internal assembly is a high-precision replacement component designed for professional mechanics and cycling enthusiasts maintaining Alfine 5-speed internal gear hubs. This axle assembly ensures smooth shifting performance and reliable power transfer for city and trekking bikes, though it requires specialized tools and mechanical knowledge for proper installation.
All features
| Model Part Number | Y3FG98010 |
|---|---|
| Brand | Shimano Spares |
Extended Product Information
FAQs
Is this part compatible with other 5-speed hubs?
No, this assembly is specifically engineered for the SG-C7000-5R5V hub model.
Does this assembly come pre-greased?
It is recommended to apply a fresh layer of Shimano internal gear hub grease upon installation to ensure optimal lubrication.
What tools are needed for this installation?
You will need cone wrenches, a cassette tool or lockring tool, and standard hex keys for wheel removal.
Can I perform this repair myself?
If you have experience with internal gear hubs and possess the correct tools, it is possible; otherwise, professional installation is advised.
How often should I replace this assembly?
It is not a standard wear item but should be replaced if you experience significant internal gear damage or consistent shifting failure.
Troubleshooting
Difficulty shifting after installation
Check the cable tension and ensure the yellow alignment marks on the hub are perfectly aligned in the correct gear.
Grinding noise during pedal rotation
Verify that the assembly is fully seated and that sufficient internal gear grease has been applied to all moving parts.
Hub drag or slow rotation
Adjust the bearing preload on the axle cones; if the cones are too tight, the assembly will not rotate freely.
Pros and Cons
Pros
- Ensures factory-standard shifting performance
- Precise 187 mm fit eliminates sizing guesswork
- Constructed from high-durability materials
- Direct replacement for worn or damaged internal components
Cons
- Requires specialized tools for hub disassembly
- Not compatible with other hub models
- Installation is complex and best suited for experienced mechanics
Setup, Compatibility & Care
Installation of the Shimano SG-C7000-5R5V assembly should be performed in a clean environment to prevent debris from entering the internal hub housing.
- Ensure the bike is mounted on a stable repair stand.
- Remove the rear wheel and unscrew the hub locknut and non-drive side cone.
- Carefully slide the old assembly out, keeping note of any internal spacers or washers.
- Apply a generous coating of approved Shimano internal gear hub grease to the new assembly before sliding it into the hub shell.
- Reassemble the cone and locknut, ensuring the correct bearing preload is set to avoid lateral hub play.
Regular care involves professional servicing every 2,000 to 5,000 kilometers depending on environmental conditions (rain, grit, or road salt).