Bbb nautilus ii chain rivet tool btl05all about cycling bbb think of the details so you dont have to founded by a former road racer they continue to make products with the explicit understanding of what makes a proper bike product that only a rider could have features precision chain cutter works with any chain also 11 speed can be adjusted to the size of the chain durable steel with comfortable rubber handle with extra spare pin buy bbb tools from chain reaction cycles the worlds la