Sunrace RD-R91 9 speed silver rear derailleur MFPN=311013 Primary Color Black Bead Wire

Primary Color Black Bead Wire Tire PSI 100 Tire Technology Anti-Puncture Layer TPI 60TPI Tire Type Clincher Tire Weight 698g Tire Width 2

}Wheels Manufacturing Grade 25 1/4" Loose Ball Bearing: Bottle of 150

Rode Kick Alaska- -15C to -30C 5F to -22F

Endurance glide will likely not be as fast as the R line waxes at first

x5 bolt interface for increased durability

Sunrace RD-R91 9 speed silver rear derailleur MFPN=311013 Primary Color Black Bead Wire9 speed road rear derailleur. High polished aluminum outer link. Composite aluminum and steel construction. SHIMANO Equivalent RD 3500 TECH SPECS 9sp 34 39 Mid 2to1 SIL 279g