Features: The EC300 Mini Charging Cable combines smalldesign (21.3x14.2mm) with rapid charging capability, featuring Type C connectors for seamlessly compatibility across modern devices and groupsets. Engineered with reinforced metal clasps, this lightweight plastic charging ensures secure connection while visually displaying charging status through pattern. Suitable for cyclists and frequent traveler requiring reliable power solution, it perfectly serves users of R8150/R9250/R7170 series and mobile device owners. Ideal for outdoor and various device charging, its pocket sized build effortlessly integrates with bike battery packs, USB port, and 5V power sources during ride or journey. This universal charging cable for electronic groupsets delivers exceptional portability without compromising functionality, featuring weather resistant construction and broad compatibility across 12 speed drivetrains systems. Specifications: Material: Plastic Applicable Model: For R8150/R9250/R7170 R8150/R9250/R7170/R8170/R9270 and other mainstream models Size: Approx. 0.84x0.56x0.48inch(21.3x14.2x12.3mm) Package Includes: 1PC EC300 Type C Adapters 1PC Metal Bayonets note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.