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Today’s curly-bar bikes are faster and more capable. Riders want a bike with the wide-range gearing to match their wide range of cycling pursuits. But range is only one half of the equation – they also want a drivetrain that offers the right gear for any situation.
So, SRAM has developed X-Range gearing: Three new chainring sets and three new cassettes that cover all riders’ needs, from WorldTour to endurance and gravel.
X-Range achieves this by moving some of the gear range from the front of the drivetrain to the back. That is, SRAM has employed a smaller, consistent difference (13 teeth) between the chainrings while giving the cassettes wider range (up to 10-33, or 330%!).
That means you can stay on the same ring longer, requiring fewer front shifts, which are inherently less efficient than rear shifts. And when a front shift is executed, the smaller jump is smoother and allows you to get to the right cadence with fewer compensation shifts in the rear. Fewer, faster front shifts makes it easier for you to find the right gear, and that’s a distinct performance advantage relative to traditional drivetrains.
You might notice that X-Range relies on cassettes built around a 10-tooth start. This allows SRAM to keep the cogs and chainrings smaller overall, eliminating the potential weight gain of a wide-range 11-tooth start drivetrain. And the smaller package reduces system complexity. Only one rear derailleur is required to cover all the chainring and cassette combinations. So, if you’re a flatlander who likes a tight-range cassette, you only need to swap your cassette and chain for a mountain tour. With X-Range, getting everything you’ve always wanted in a drivetrain has never been simpler.
|chainring size||36, 38, 40, 42, 44, 46|
|bolt circle diameter (bcd)||107 BCD|
|compat - yaw||n/a|
|colours (chainring)||Black, Grey|
|Chainring size||36, 38, 40, 42, 44, 46|
|Bolt Circle Diameter (BCD)||107 BCD|
|COMPAT - YAW||n/a|
|Colours (Chainring)||Black, Grey|
On all orders over $99 Evo Cycles offers free delivery to any non-rural address in New Zealand* - this includes large / bulky items and bike brands that are able to be shipped**
On orders under $99 we charge $5 fee for non-rural addresses and $10 for rural addresses. This is so we can give our customers (that’s you!) the most competitive pricing available for small parts and accessories. There are no hidden shipping costs and you know exactly what you’re paying for.*There is an additional $5 charge for all rural deliveries.
Free for all orders over $99. Orders under $99 a $5 flat shipping & handling fee applies. Order and pay online and collect everything from one of our showrooms. Just select which store you would like to collect from at checkout. Find out more about Click & Collect here.LEARN MORE