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Rotor's Ágilis XC2 crankset is purpose built for cross country racing with a two-ring spider and narrower stance width.(Image credit: James Huang)
The Ágilis crankarms are CNC machined both on the outside and inside, effectively making them hollow for lighter weight.(Image credit: James Huang)
The 74/110mm five-arm BCD spider allows for a wide range of gearing options.(Image credit: James Huang)
The aluminum spindle attaches to the driveside arm with a seven-sided taper.(Image credit: James Huang)
The non-drive arm attachment is adjustable for precise bearing preload.(Image credit: James Huang)
Rotor follows a different path with its new Ágilis XC2 mountain bike
Modern external bearings and a large-diameter aluminium spindle go a
Oval rings are worth a try
As is becoming increasingly popular these days, the Ágilis XC2 is a
Shift performance is very good in spite of the Q Rings’ elliptical
As for the Q Rings themselves, they definitely take one or two rides
The effectively smaller chainring sizes at the dead spots get you back
Three's a crowd
The obvious benefits to a two-ring crankset are simplified shifting
Stance width of the Ágilis XC2 is a refreshingly narrow 163mm – a
Keep in mind that narrower isn’t necessarily better for everyone, and potential
However, for those who feel the latest crop of external-bearing
Good idea ... in theory
Rotor offers the Ágilis as a modular system with one of two external-bearing bottom bracket designs – the standard BB1 which we
Though mostly identical to conventional bottom brackets, SABB adds free-swivelling
Either way, our steel bearing-equipped BB1 unfortunately had a bit of
Yea or nay?
Even with its performance benefits the Rotor Ágilis XC2 is still
Unfortunately, we’re less impressed with the bottom bracket. Though we’ve had good luck in the past with a
