Wiki Bicycle » SRAM » SRAM XX 10-Speed Front Derailleur
Information from: http://www.sram.com/sram/mountain/products/sram-xx-10-speed-front-derailleur.

The low-profile XX Front Derailleur was designed from scratch specifically for 2X10. It’s a critical part of the XX shifting experience: the fastest front shift ever. Offered in a wide variety of clamp-mount and direct-mount options.
Bolts: TORX T25
Max Tooth: 15 tooth
Mount Options: Low, High, Direct
Inner Cage: Steel
Compatibility: 31.8mm clamp size, 34.9mm clamp size, 38.1mm clamp size
Outer Cage: Steel
Weight: 118g (low mount)
Material: Forged AL-6061-T6
Speeds: 2X10
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