Features: Excellent Substancemail: Constructed from permanent steel and aluminum alloy, these cycle chain associations secure smooth and consistent execution for your excursions. Easy Installatparticlemail: Developed for quick and tool complimentary installation, the softened stop any damage to your cycle chain during use. Flexible Agreement: Twelve hundred single speed velocipedes and consistent 6 12 speed fetters, offering high flexibility for various cycling demands. Recyclable Planumberebog: Constructed to last, these chain associations might recycled Octahedral solid times, providing extended value and convenience. Compact and Portablemail: Thin at only 13g per card, this essential cycle fixing tool is excellent for wilderness expeditions and on proceed maintenance. Specifications: Materials: Steel Color: Silver/Gold/Bright Applicable: 1S/6-7-8S/9S/10S/11S/12S Weight: 13g/card Package Includes: (3 pairs of 1 card) Colorful biike chain button note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflec0.75 the actual color of the item.