Shimano Tiagra FD-4700 10-Speed Double 34.9mm Front Derailleur MFPN=820-02-568-KIT BMX specific race compound uses

BMX specific race compound uses an advanced blend of Graphene and Silica provides low rolling resistance for explosive acceleration while ensuring confident traction through corners and transitions

Material: 6061-T6 machined aluminum base

Its like having a strong helper to hold wheels during cleaning tire and tube work hub work cassette work and tubeless installation

55mm (T-Type Boost)

An oversized lower headset bearing and tapered composite steerer increase front-end stiffness for precise steering under load

Shimano Tiagra FD-4700 10-Speed Double 34.9mm Front Derailleur MFPN=820-02-568-KIT BMX specific race compound usesShimano Tiagra FD 4700 Front DerailleursAluminum links and clamp band to save weight and increase rigidity Extra wide pivot link increases rigidity while reducing flex for improved shifting response Plated steel chain cage 43. 5mm chain line 52t maximum outer ring and 16t capacity See Tech link below for compatibility info Double or Triple Double Drivetrain Speeds 10 Derailleur Capacity 16 Front Derailleur Clamp 34. 9 (1 3 8") Front Derailleur Cable