Product Description The Chain Aid is a multi-functional tool built to ensure you get back to riding as soon as possible. KMC Chain Aid at Trek Bicycle Browse all Trek Bicycle deals $5.50 In Stock at Trek Bicycle Price verified 3d ago Buy Now at Trek Bicycle Secure checkout Easy returns or compare prices Amazon eBay Product Details Category Tool Brand Kmc Color Black Size One size Gender unisex MPN TL00196 Kmc