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The SRAM FORCE carbon crankset for 2012 has an updated appearance this year; it features black chainrings and basically an all black appearance. The SRAM FORCE cranks are ultimately everything a rider could want out of a stiff carbon crankset. The shifting and ramping on this cranks is top notch meaning that you won't have any issues when jumping to different chainrings. When it comes to price, the sram force crankset is definitely a wonderful item to consider as SRAM tends to be ahead of the game when it comes to technology.
Competition-focused technology for the serious set, wherelight weight, strength, and durability come together. The SRAM Force crankset is offered in a BB30 option and, just like SRAM RED, the BB30 crankset is 10% stiffer, 20% lighter, and provides 300% more ankle clearance than the GXP version. Thanks to the unidirectional carbon structure, both GXP and BB30 crankset versions deliver a sleeker and race-proven design.
|Arm Material||Carbon, Unidirectional|
|Chainring Material||PG Chainrings with Hard-Anodized Coating, Alloy Chainring Bolts|
|Weight||791g GXP, 645g BB30 (w/ BB)|
|Available Arm Lengths||170mm, 172.5mm, 175mm, 177.5mm|
|Available Ratios||55/42, 54/42, 53/39 52/38, 52/36, 50/36, 50/34|
Giga X Pipe External Bottom Bracket Bearing Assembly. While other systems rely on side loading the bearings to eliminate play, which causes premature bearing wear, the GXP system is different. The GXP system captures the left side bearing between the spindle and the left crankarm while allowing the drive-side bearing to float axially on the spindle, thereby eliminating the necessity to side-load bearings during adjustment. The simplicity of installation is refined: once it is tightened to the proper specifications you are ready to roll with a worry free BB. The GXP system uses two bicycle specific cartridge bearings and eight seals for a smooth and long lasting ride.
PRESS FIT 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