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Vintage SR Custom Crankset 170mm 144 BCD Square Taper Silver Japan Road Track
Vintage SR Custom crankset for road or track bikes using square taper bottom brackets and 5-bolt 144 BCD chainrings.
Crankset includes a right arm with integrated five-arm spider and a matching left arm, each 170 mm long and made from silver aluminum.
Spider uses a 5-bolt pattern with 144 mm bolt circle diameter suitable for classic track and road chainrings.
Front faces carry raised \"CUSTOM\" logos, while the back of each arm is stamped \"170 JAPAN\" with SR branding indicating arm length and country of manufacture.
Actual Measurements: bolt circle diameter: 144 mm (5-bolt, Sheldon Brown BCD guide), weight: 485 g (digital scale).
Includes the right and left SR Custom crank arms only; no chainrings, chainring bolts, crank bolts, dust caps, or bottom bracket are included.
Used SR Custom 170 mm crankset with significant cosmetic wear from prior riding and installation. Arms show extensive scratches, nicks, heel rub, and surface oxidation over the silver finish, with chainring bolt areas marked from hardware. Pedal eyes have tool marks and insertion wear, and threads show embedded dirt and grease. Square taper interfaces display gouging, rounding, and heavy grime; cleaning and inspection before service use is recommended. Includes only the right and left crank arms; no chainrings, bolts, caps, or bottom bracket.