Shimano SG outer chainring for narrow chain only. BCD: 130 mm. From the mid / late 90s. For Shimano 105 FC-1055 crankset. Working fine.
eBay
Shimano 105 FD-5600 Front Derailleur Braze-On Road Bike Double 10 Speed Silver Brand: Shimano Model: 105 front derailleur, model code FD-5600, designed for road bikes using double chainring cranksets and 10-speed drivetrains. Color: Silver polished alloy. Country of manufacture: Made in Japan (stamped "SHIMANO JAPAN VIA"). Details: Braze-on mounting style, integrated cable clamp, metal cage with slotted outer plate, factory adjustment hardware included. Actual Measurements (per digital scale): Weight 85 g. Used condition with noticeable surface scratches and light finish wear from regular use. Springs and pivots move smoothly, cage appears straight, and all hardware is present with no cracks.
eBay
Vintage Shimano Biopace Chain Ring 42 t. 130 BCD. Chain ring has some cosmetic blemishes, scratches, dirt and grime. Some wear on the teeth but in pretty good condition. Buyer may need to change chain/cassette/freewheel in order for item to properly function. Please see pictures for condition of the item. Free shipping via USPS First class mail.
eBay
50-34T 52-36T 53-39T Chain Wheel. Speed:10s/ 11s/ 12. Good compatibility, for cranks. Compatibility: for FC-R9100/ FC-R8000/ FC-R7000. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
• Chainring type: Double Chainring (for 50-34T, Silver). • This inner chainring can only be used with Shimano 105 FC-5700 11 speed double chainsets with a 50-34T set up.
eBay
The Shimano 105 FC R7000 11 speed Chainset is a high-quality crankset designed specifically for road bikes. Made from durable aluminium with a sleek black colour, this chainset features a double chainring with 50/34 teeth for optimal performance. Compatible with Shimano brand components and featuring Hollowtech II bottom bracket shell type, this crankset is a reliable choice for cyclists looking to upgrade their bike's performance. With a length of 172.5cm and a width of 170mm, this set includes everything needed for a smooth and efficient cycling experience. Shimano R7000 chainset 50/34 172.5mm cranks in a used condition usual heel rub on cranks and other cosmetic marks ideal for commuter bike or training bike. check out my other items thanks for looking
eBay
Good compatibility, for 110BCD cranks. 2 chainrings(39T+53T) or (50T +34T ). Colour: Black. 53-39T，50-34T Chain Wheel for options. High strength Aluminum 7075-T651. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Crafted in Japan by the renowned Shimano manufacturer, this chainring features a 5-arm mount with 130mm bolt hole spacing.
eBay