- SRAM PG950 9 Speed Cassette
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This SRAM PG950 9 Speed Cassette is no longer available although you may find similar or newer versions below:
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SRAM PG950 9 Speed Cassette with Power Glide II Technology.
Top Features of the SRAM PG950 9 Speed Cassette
- Technology: Power Glide II
- Gear Ratios: 12-26, 12-23T
- Speeds: 9
- Weight: 240g/220g
- Body: Steel
- Finish: Chrome Plated
About Cassettes & Freewheels
Cassettes and freewheels for bikes are a cluster of sprockets in a range of sizes offering a multitude of gear ratios. The difference between the two is, a cassette slots onto the freehub, which has the ratchet built in and is then secured with a lockring, whereas a freewheel is a cluster of sprockets built around a ratchet and threads directly on to the hub. Cassettes and freewheels come in many ratios, close ratio is when the number of teeth increase in small increments of 1 or 2 at a time, whereas a wide ratio is when the teeth increase in larger increments of 3 or 4 at a time. Most systems will use a cassette hub as these allow for a wider bearing spacing and increased axle life, you can also fit a larger quantity of sprockets onto a cassette hub with 11 speed systems now becoming available. With cassettes you must use the appropriate spacing for your gear levers and rear mech, Shimano and Campagnolo are not interchangeable so you will need to match the cassette to your levers for smooth and precise shifting. Sram and Shimano chains and cassettes will work together as they use the same spacing.
About the SRAM brand
Product manuals and service guides for all SRAM, Rockshox, Avid and Truvativ products can be found at sram.com or videos can be found on YouTube. SRAM Corporation was founded in Chicago, IL (USA) in 1987 by six employees with one component, Gripshift Twist Shifters. Today, SRAM’s commitment and growth can be measured by its 1,500 employees, its 150+ cycling products, and it’s 12 facilities worldwide. SRAM has found tremendous growth through innovative products, unparallel customer service, strong sales, and complimentary acquisitions. SRAM acquisitions include Sachs Bicycle Components, purchased in 1997, a leading manufacturer of chains, cassettes and hubs. In 2002 SRAM purchased RockShox, the world’s mountain bike suspension specialist. 2004 brought the purchase of both Avid brakes and Truvativ cranks and components. The addition of these companies has allowed SRAM to grow into the world’s second largest component supplier to the cycling industry. SRAM's core philosophy is to make cycling better. Their commitment is expressed in their local, national and international team and event sponsorship.
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Product Q & A
Ask your questions and share your answers.
If however the chain and cassette have not been changed at regular intervals this will have caused some damage to the chain rings and so they may have to be changed too.
When replacing the cassette it is also worth replacing the chain if they are quite well used, the chain could skip on a new cassette.
I know someone who is good at fitting these, and I want to learn myself rather than take it to the shop where they want to charge me more. I would like to buy from wiggle, but need to be susre it will fit..
Most Shimano rear mechs come in different sizes, the cage length is described as short, medium or long. For 32 teeth you may need a long cage, a standard road bike cage is often a short cage.
I have a Specialised Allez Sport Compact with 9 speed Sora drivetrain.
Will this 11-26 cassette fit OK?
I want to keep the original 12-25 on my Winter wheels, and fit a 11-26 to my Summer wheels to give me a bit more top speed, plus extra help up the hills...
I don't want to start messing around with new derailleurs etc., so will this be a straightforward fit?
Thanks very much,
Current cassette is a 11-23
I hope this helps.
If I replace the cassette with SRAM PG-950 11-34 will I need to upgrade any other parts on the bike i.e chain length or will the cassette fit fine and make it that bit easier up the hills...??
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