SRAM Rival XG-1251 12 Speed Cassette

Name: SRAM Rival XG-1251 12 Speed Cassette
Brand: SRAM
SKU: x6krztv6qc
Availability: InStock

The SRAM Rival XG-1251 12-Speed Cassette is engineered to elevate your gravel riding experience wi...

Best current price£114.00from Tredz

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Product Information

Full details

The SRAM Rival XG-1251 12-Speed Cassette is designed for gravel riders seeking a wide gear range and smooth transitions across varied terrain. Its primary benefit is the 440% range, enabling seamless climbs and fast flat sections with a 1x setup. A key consideration is its specific compatibility with XDR driver bodies and XPLR rear derailleurs, requiring an XDR freehub body.

All features

Model Part Number	00.2418.119.000
Brand	SRAM

Extended Product Information

FAQs

What is the main advantage of the X-Range gearing?

X-Range gearing provides a wider overall gear range and smoother steps between gears, allowing you to maintain a consistent cadence and be prepared for varied terrain, from steep climbs to fast flats.

Do I need a special hub for this cassette?

Yes, this cassette requires an XDR driver body. You may need to change your current freehub body to an XDR compatible one if your wheel is not already equipped.

Can I use this cassette with a 1x12 Eagle derailleur?

No, this cassette is specifically designed for use with SRAM XPLR 1x rear derailleurs and is not compatible with Eagle rear derailleurs.

What is MINI CLUSTER technology?

MINI CLUSTER technology involves connecting multiple cogs together into a smaller, lighter unit. This design reduces overall weight while maintaining durability and efficient power transfer.

How does the vibration damping work?

Vibration-damping material is sandwiched between the top three gears and the largest gear. This material helps to suppress unpleasant vibrations and noises that can be transmitted to the rider, especially on rough surfaces.

What is the gear range of this cassette?

The SRAM Rival XG-1251 cassette has a 440% gear range, with cogs ranging from 10 teeth to 44 teeth.

Is this cassette suitable for road cycling as well as gravel?

Yes, the wide range and smooth progression make it suitable for mixed-terrain riding, including gravel and fast-paced asphalt sections.

Troubleshooting

Shifting is rough or hesitant.

Ensure the derailleur is properly adjusted and indexed. Check for chain wear or damage. Confirm compatibility with the specified XPLR rear derailleur and Flattop chain.

Cassette does not engage with the freehub body.

Verify that you have an XDR driver body installed on your hub. The cassette is only compatible with XDR freehubs.

Excessive noise or vibration.

Ensure the cassette is correctly installed and tightened. Clean the cassette and drivetrain thoroughly. The vibration damping is subtle; significant noise may indicate other issues.

Inability to reach the largest or smallest gear.

Adjust the limit screws on the rear derailleur. Check the B-tension screw adjustment for proper cog clearance.

Pros and Cons

Pros

Extensive 440% gear range suitable for varied terrain.
Smooth and precise shifting, especially with electronic systems.
Lightweight yet durable construction through MINI CLUSTER technology.
Optimized for 1x gravel setups, simplifying drivetrain.
Reduces ride noise and vibration for improved comfort.

Cons

Requires an XDR driver body, which may necessitate a freehub conversion.
Only compatible with XPLR 1x rear derailleurs, not Eagle derailleurs.
Electronic shifting is optimized, potentially making mechanical shifting less ideal.
Color may vary from product images due to display differences.
Specific dimensions or fit questions not covered by manufacturer data cannot be answered.

Setup, Compatibility & Care

Compatibility:

This cassette requires an XDR driver body. Ensure your rear wheel hub is compatible or can be converted to XDR.
It is designed for use with SRAM XPLR 1x rear derailleurs.
Compatible with SRAM Flattop chains.
Not compatible with SRAM Eagle rear derailleurs.

Setup:

Installation follows standard cassette mounting procedures onto an XDR freehub body.
Proper rear derailleur adjustment is crucial for optimal shifting performance, especially when paired with electronic shifting.

Care:

Clean the cassette regularly with a degreaser and brush to remove dirt and debris.
Inspect cogs for wear and damage. Replace if significant wear is observed to maintain shifting quality and prevent chain wear.
Keep the drivetrain clean and lubricated for best performance and longevity.