Vintage Shimano 175mm Left Crank Arm Square Taper Silver VIA Japan Road MTB

Brand: Shimano

Item: Vintage Shimano left crank arm for square taper bottom brackets, silver aluminum replacement crank component for classic bicycles.

Part type: single crank arm only, intended as a replacement for existing cotterless cranksets; no matching right arm, chainrings, or mounting hardware are included.

Color: matte silver finish; material: forged aluminum alloy suitable for road, touring, MTB, or city bikes that use square taper bottom bracket spindles.

Bottom bracket interface: female square taper bore at the inner end with recessed face for a crank fixing bolt and washer, as shown in the close-up photos.

Pedal interface: threaded pedal eye at the outer end for standard bicycle pedals, with threads showing prior installation and removal.

Logos/markings: back of the arm is stamped SHIMANO VIA JAPAN 175 with small round forging marks near the center of the arm.

Actual measurements: crankarm length stamped 175 mm on the backside; digital scale display shows weight approximately 245 g for this single arm.

Listing includes the single left crank arm shown only; no chainring, chainring bolts, crank bolts, dust caps, bottom bracket, or pedals are included.

Used vintage arm with cosmetic wear, scratches, oxidation, grime, and a scraped section of finish on the backside near the center; metal remains solid with square taper and pedal interfaces intact for continued use.

Used vintage left crank arm with scratches, scuffs, oxidation, grime, and a scraped section of finish on the backside near the center. Square taper bore and pedal threads show use but remain well-defined, with metal solid around both interfaces. Includes only the single crank arm shown; no chainring, bolts, dust caps, bottom bracket, or other hardware.