FD-M852-B / FD-M853-B (10 SP) - Front derailleur. - Mountain bikes. - Model No.: FD-M852-B or FD-M853-B. - Chain Ring: Double (FD-M852-B) / Triple (FD-M853-B). - Cassette Compatibility: 10 Speed - Top Gear Teeth: 44T-38T (FD-M852-B) / 42T-32T-24T (FD-M853-B). - Capacity: 14T (FD-M852-B) / 18T (FD-M853-B). - Route Type: Dual Pull. - Chain stay Angle: 66-69. - Mount Type: B: Clamp Type. - Chain Line: 48.8mm (FD-M852-B) / 50.0mm (FD-M853-B). - Band Diameter: Φ34.9 mm or Φ31.8mm adapter. - Front Clamp Band: Black Aluminum. - Rear Clamp Band: Black Aluminum. - Outer Link: CNC Machined Black Anodized Aluminum. - Inner Link: Aluminum. - Chain Guide: Chrome Plated Steel. - Weight: 155g (FD-M852-B) / 157g (FD-M853-B). - Compatibility: Shimano 10 Speed MTB Compatible.