X AUTOHAUX 2pcs Bike Rear Derailleur Hanger Extender Bike Gear Tail Hook Parts

• [Material] Made of aluminum alloy, the bike frame gear tail hook extender is durable and has long service life.
• [Function] The product is used to lengthen the rear dial chain to makes the speed change more smoothly.
• [Fitment] Suitable for for most types of bikes
• [Easy to install] Easy to install and take down. Installation just takes a few minutes. Please make sure that the size and shape of this part are suitable for your bicycle before purchase.
• [Package Includes] 2 x Bike Rear Derailleur Hanger, 4 x Nuts

Features: Bike Alloy Rear Derailleur Hanger can protect your bike from injure when falling down. It is used for lengthening the rear chain and is a great accessory for cycling lovers. Bike frame gear tail hook enables lower gearing for both road bikes and mountain bikes. Easy to install. Installation can be done in less than 5 minutes. Specifications: Material: Aluminum Alloy Color: Silver Tone Size: 7.1x4.2x0.8cm / 2.80"x1.65"x0.31"(L*W*H) Thread Size: M8 x 0.75 Hole Size: 1cm / 0.39" Nut Internal Thread Dia.: 0.7cm / 0.28" Derailleur Hanger Internal Thread Dia.: 0.9cm / 0.35" Package Includes: 2 x Bike Rear Derailleur Hanger 4 x Nuts