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Btwin 8-Speed 12x25 Cassette
Versatile 12x25 8-speed cassette for all gradients and compatible with all 8-speed derailleurs and chains: Shimano, SRAM, MicroSHIFT, Btwin and KMC
Free shipping over $49
Final Sale: No returns or exchanges
Free returns
Free pickup
San Francisco, 735 Market St. Options
Select an available color and size to see options.
Product Videos
Product Features

Compatibility
For 8-speed Shimano, BTWIN, SRAM, KMC, and MicroSHIFT cassette bodies and chains
Questions & Answers
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Product Customer Reviews

After almost 3000km and 1 year it was over. I think it's OK for a load from an ebike motor
1 speed out of 2 does not shift or shifts poorly
Great
this cassette was listed as a spare part for the R500e longtail, so I took it as a replacement for the original cassette and it fits perfectly. on the other hand the original cassette was an 11-28, this one a 12-25 so we have a small sprocket with one more tooth which means that you have to grind more when you want to press a little on the flat ... it's a shame. but otherwise RAS I changed the chain at the same time, it runs like new. you have to see the longevity but for 11 € I will not be too demanding.
Thinking of buying this cassette as a replacement for my mid-range Japanese walking group (do not give a mark here) 12-23. And very badly took it. The assembly is defective or deliberately poorly executed, the cassette turns like a potato, badly riveted, rivet heads protruding, and molding defect in one of the pinions. Resin spacer seems inconsistent Coating of the pinions so light (not hard chrome) that after 4 outings, i.e. approximately 380 km, the teeth are already damaged. The soft material nut screws badly and doesn't hold, the threads are damaged so I tried to use the nut from my original cassette, it's better but the cassette still doesn't spin like a potato. It shot me the new chain changed at the same time. €24.99 in addition to lost, thank you not decathlon, I am very upset. This cassette weighs a super heavy dead ass more than 210 grams or 24 grams more than the original one, despite a resin nut and spacers. Bought in Clermont Ferrand I'm not going to travel 200 km to bring it back, I'm out of my money, bought 15 euros last October, it goes to the dumpster because it's unusable. Above all, I do not recommend buying badly made decathlon cassettes.
flush
Good product
excellent tape that I found at the Dunkirk store ... is only available on the internet? the mysteries of distribution?
Good quality price ratio.
top
LÃp đẹp sắc sảo, rất đáng mua!
Great product as described! Good value for money !
I'm on my second, and the number of teeth of the sprockets are perfect for me...
Bought to replace the cassette of an old Giant MTB, perfect compatibility
Satisfied
Additional Product Information
Composition
Main fabric: 100.0% Steel
Technical information
Gears: 12-13-15-17-19-21-23-25.12 x 25 teeth293 g
Care tips
Degrease, clean and lubricate your cassette regularly to prolong life. It is recommended you replace the chain each time the cassette is replaced. Do not clean using high-pressure water jets
Assembly
Easy assembly with a cassette remover wrench available on our website (ref: 8608966) and an adjustable or open-ended spanner.
Dismantling
Easy disassembly with a cassette remover wrench available on our website (ref: 8608966) and an adjustable spanner or open-ended spanner and a chain-whip tool.
Origin
Imported
Superior quality. Unbeatable prices.
For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.
Decathlon makes the difference
-
Research and development
delivers high-quality cost-effective products
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State-of-the-art production processes
minimize manufacturing costs
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Optimized supply chain
reduces retail prices
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Minimal retail footprint
lowers overhead and indirect costs

Btwin 8-Speed 12x25 Cassette
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Heavy products return policy
If you return a product you will receive a refund for the purchase price plus any applicable sales taxes, less any non-refundable charges.
Decathlon will cover all shipping costs associated with your return except for items excluded from our return policy such as bikes, basketball hoops, snowboards, surfboards, tents, and other larger / heavier items.
Return costs for heavy products:
Weight Thresholds | Shipping within California | Shipping outside of California |
---|---|---|
> 9 lbs | $20.00 | $25.00 |
> 30 lbs | $50.00 | $65.00 |
> 100 lbs | $100.00 | $125.00 |
> 200 lbs | $200.00 | $230.00 |
If you return a product at any of our store locations, we will gladly help you find the best alternative product or refund you on the spot.
