PUSH Industries ACS3 Fox Spring Assembly 140-170mm Blue MPFN-11A00341 Full uni-directional (UD) carbon construction

Full uni-directional (UD) carbon construction with efficient orientation and placement of the fibers to maximize strength and fine tune stiffness

Shimanos OPTISLICK cables feature a minimal and uniform electrically coated layer that improves cable routing efficiency and provides excellent corrosion resistance

Backing Plate Material Steel Compound Organic Heat Sink Yes Pad Shape Number 37

Compatible with a 51T maximum cog size for 11-speed systems

Chain Tool Yes Drivetrain Speeds 12

PUSH Industries ACS3 Fox Spring Assembly 140-170mm Blue MPFN-11A00341 Full uni-directional (UD) carbon constructionPUSH Industries ACS3 Spring Assembly 140 170mm 2014 Current FOX 36 45 lb in Spring Weight Blue. PUSH ultra light fork springs are precision engineered and CNC wound for exacting rate tolerance. Different spring rates are available in 5 lb in increments ensuring you get the exact rate you need without compromise.