Surly 13T to 16T Cassette Cogs
9 Speed spaced, these cogs can be run 9speed or less, together with Shimano 9Spd gear shifter systems.
Top Features of the Surly 13T to 16T Cassette Cogs
- CNC machined hardened SCM 415 Cr-Mo Steel
- Shimano HG Spline, 9Spd spaced
- Ideal for Single Speed use
- Large Anti-Dig footprint on cassette body
- Chrome Plated
The large foot print caused by built-in spacing at the base of these machined cogs gives a larger foothold on the cassette body,
making these a premium selection for Single Speed or multi-speed use with reduced risk of torque transfer damage to the cassette hub body. (Note: This point is especially important with Alloy or Ti Cassette bodies)
Note: When used in non-9 set-up, additional Cassette spacers wil be required to fill the cassette body.
Note: Teeth profiles are straight forward, making them ideal for Single Speed applications,
however, with no twists or ramps etc, the gear shifting will not be as slick as with regular Shimano cogs when used in a multiple cog line-up.
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 Surly brand
Surly Bikes manufacture a wide range of bikes, frames, parts and accessories. Surly are based in Boomington, Minnesota USA and were established in 1998. The company aims to build solid, quality components for a reasonable price.
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