Tech Info

Mach 4, 5.7, and 429 aluminum frames front derailleur:
The front derailleur of the Mach 4, 5.7 and 429 mount directly to the hollow bottom bracket forging. This locates the front derailleur perfectly to the crank and provides the most solid and accurate front shifting possible. 

Compatible Front derailleur’s are as follows:
  • Shimano e-type, top pull for Triple crank: (9 Speed XTR IFDM970E6, XT IFDM770E6, SLX IFDM660E6) (10 Speed XTR IFDM980E6, XT IFDM770E6, SLX IFDM66010E6)
  • Shimano e-type, top pull for Double 10 speed cranks 38/26 or 40/28 combinations: XTR IFDM985E26, XT IFDM785E26. These also work with Double SRAM cranks and front shifters with a big chain ring from 38-40T
  • Shimano e-type, top pull for Double XTR 10 speed cranks with a 42 or 44 Large Chain Ring: XTR IFDM985E6
  • SRAM S3 top pull XX ONLY!  Can use with Mach 4 as is, but use with 5.7 and 429 requires additional purchase of Pivot Cycles cable routing arm.   Make sure that you order the proper S3 top pull F/D for the appropriate chairing size.  There are 3 different versions for 38, 40, and 42 tooth big rings.
  
Firebird front derailleur mount:
The Firebird uses a floating derailleur mount that follows the suspension through its travel for the most accurate shifting of any long travel bike, plus it can be removed to accommodate a single ring IS chain guide system.

Compatible front derailleur’s are as follows:
  • Shimano e-type, top pull for Triple crank: (9 Speed XTR IFDM970E6, XT IFDM770E6, SLX IFDM660E6) (10 Speed XTR IFDM980E6, XT IFDM770E6, SLX IFDM66010E6) Triple FD’s are recommended even if running either a 32 or 36T big ring with a 2X set up, with or without bashring.
  • Shimano e-type, top pull for Double 10 speed cranks 38/26 or 40/28 combinations: XTR IFDM985E26, XT IFDM785E26. These also work with Double SRAM cranks and front shifters with a big chain ring from 38-40T

5.7C, 429C, Mach 6C, LES 29 & LES 275 direct mount front derailleur:
The direct-mount version with integrated housing stop for single M6 bolt with groove design accommodates Shimano and SRAM systems. The direct mount design, eases set up, and provides a more rigid mount for the most efficient front shifting possible.

The Mach 5.7C, Mach 429C, and Mach 6C models are top pull and can therefore use either a top pull specific or dual pull direct mount model.  LES 29, and LES 27.5 models are bottom pull and can either use a dual pull or bottom pull specific direct mount model.  

Compatible 10 speed front derailleur’s are as follows:

  • Shimano Direct Mount for Triple crank:  XTR IFDM981D6, XT IFDM781D6, SLX IFDM66110D6
  • Shimano Direct Mount for Double crank with large chairing between 38-44T XTR IFDM986D6, XT IFDM786D6
  • SRAM HDM (High Direct Mount): X-7, X-9, and X-O are compatible with all SRAM 2 X 10 system cranks as well as Shimano 2 X 10 cranks and shifters.