SRAM X0 10 Speed (2x 10) Front Derailleur: Bringing the first 2x 10 MTB gearing & Avids full featured brake to the legendary X0 line gives you a product family ready for any XC, Trail, All-Mountain, or DH battle. The X0 10 speed drivetrain, anchored by Truvativs carbon crankset, takes advantage of XX technologies like X-Glide shifting, X-Dome cassettes & wide-range 2x 10 gearing, while Avid X0 brakes dish out all the pwer & control you can handle. Features include: Wide range 2x 10 & 3x 10 systems with X-Glide front shifting technology & High Clamp, Low Clamp, High Direct Mount, Low Direct Mount options. Speeds: 10 speed for 2x 10 system Weight: 130 grams Compatibility: 10 speed only, 36 Tooth Mount Options: High Clamp/ Low Clamp (31.8, 34.9, 38.2), Low Direct Mount (S1, S3), High Direct Mount Pull: Top or Bottom Technology: X-Glide shifting technology