{"product_id":"shimano-grx-rear-derailleur-di2-spec-rd-rx817-11-speed-direct-mount-compatible","title":"SHIMANO GRX Rear Derailleur (Di2 spec.) RD-RX817 11-speed Direct Mount compatible - SECOND HAND","description":"\u003cp\u003e\u003cstrong\u003eSECOND HAND\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON\/OFF switch for the chain tensioner. The RD-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with mtb cassettes with a 42T low sprocket max.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSilent and uninterrupted rear shifting on rough terrain\u003c\/li\u003e\n\u003cli\u003e »Adjustable chain stabilizer prevents chain slapping and drops\u003c\/li\u003e\n\u003cli\u003e  －SHIMANO SHADOW RD+\u003c\/li\u003e\n\u003cli\u003eSmooth and reliable mixed surface shifting\u003c\/li\u003e\n\u003cli\u003e »Switch stabilizer ON\/OFF to match the terrain\u003c\/li\u003e\n\u003cli\u003e »Gravel-tuned clutch tension\u003c\/li\u003e\n\u003cli\u003eCompatible with current road DUAL CONTROL LEVER\u003c\/li\u003e\n\u003cli\u003eTop sprocket: Max. 11T\/Min. 11T\u003c\/li\u003e\n\u003cli\u003eLow sprocket: Max. 42T\/Min. 40T\u003c\/li\u003e\n\u003cli\u003eTotal capacity: 31T\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":47844956438699,"sku":"IRDRX817","price":299.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2296\/1883\/files\/IRDRX817_0.jpg?v=1789439157","url":"https:\/\/www.mackaycycles.com.au\/products\/shimano-grx-rear-derailleur-di2-spec-rd-rx817-11-speed-direct-mount-compatible","provider":"Mackay Cycles","version":"1.0","type":"link"}