Sram XX1 BB30 Direct Mount Crankset

The SRAM XX1 power meter was built from the ground up for SRAM?s 1x drivetrains. Available in all of SRAM?s MTB Q-Factors, crank lengths and bottom brackets, it serves every discipline. Multipoint temperature compensation guarantees accurate measurement from cold creek sides to desert marathons and an IPX7 waterproof rating delivers peace of mind.


Features:

- Built hand-in-hand with the XX1 drivetrain highest performance, integrated look
- Designed for X-SYNC? and compatible with XX1, X01, X1, and GX
- Light weight, LED indicator and replaceable CR2032 battery
- Each power meter is individually calibrated at the factory to eliminate temperature effects on power measurement
- Accelerometer for cadence no need to install a magnet
- IPX7 waterproof rating (1 meter of submersion for 30 minutes)
- All SRAM MTB Q-factors, crank lengths and bottom brackets


Specifications:

- Arm Material: Carbon crank arms with CNC machined AL spider
- Weight: 626g (175mm, 168Q, GXP, chassis only), 689g (175mm, 168Q, GXP, 32-tooth chainring)
- Bottom Bracket: BB30, PressFit 30, GXP®, PressFit GXP®, BBright
- Chainrings: X-SYNC? CNC machined chainrings
- Q-Factor: 156mm, 168mm
- Battery Type: CR2032 over 300 hours of riding time
- Technology Highlight(s): X-SYNC?, BB30, PressFit 30, GXP®, PressFit GXP®
- Wireless Technology: ANT+


Technology:

BB30:
Besides serious weight savings, this bottom bracket means narrow Q-factor, more ankle clearance, greater bearing durability and stronger crank construction.

GXP®:
GXP?s Gutter Seal design cuts friction and weight?improving both feel and performance.

PressFit:
A variant of the external GXP bottom bracket, PressFit cuts weight by up to 40 grams and eases installation by allowing you to press the bearing cups into the frame instead of threading them. It requires no change to the crank spindle length and diameter.

Pressfit 30?:
This is a new design led by SRAM. it´s all the best from BB30 and Press-Fit bottom brackets in one captivating package. This bottom bracket is designed for 30mm spindle cranksets. The key difference with PressFit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. PressFit 30 will feature an integrated seal, pre-assembled into the cups, to further prolong bearing life. Frames will need a 46mm inner-diameter bottom bracket shell to accommodate this system. PressFit 30 for road will require a 68mm wide shell while PressFit 30 for MTB will require a 73mm wide shell. Advantages: Huge weight savings, narrow Q-factor, more ankle clearance, greater bearing durability, stiffer/stronger crank construction, simple installation. Allows for larger diameter frame tubes increasing frame stiffness. Drawbacks: Still searching.

X-SYNC?:
SRAM X-SYNC? 1X chain rings provide the highest level of performance and durability. The SRAM X-SYNC? tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC? chain rings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC? rings are an integral part of the SRAM 1X? drivetrain.

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