Every Wolf Tooth steel insert is machined and nickel plated in-house at Wolf Tooth's Minnesota HQ – designed to be lightweight, lean and pair perfectly with the Wolf Tooth Pack Wrench – sold separately – these inserts are ideal if you're likely to be travelling with your bike or want a trail-ready mobile wrench kit.
This steel insert fits the Otso Cycles Tuning Chip and other 20mm socket applications.
ABOUT Wolf Tooth
Designed, prototyped and tested to withstand the harshest Minnesota conditions, each Wolf Tooth product improves the ride experience with ingenious solutions to level the playing field in the ever-evolving world of cycling technology. Whether you want to go 1x, put a dish-sized cassette on your gravel bike or add a spash of colour to your trusty steed, Wolf Tooth has you covered, whatever you ride.Read more about Wolf Tooth.
Founded by real cycling enthusiasts in 2004, our passion for elite performance runs through everything we do at Saddleback. Our team of dedicated roadies, mountain bikers and triathletes practice what we preach to bring you the finest cycling products and a superior service to match. We're the official UK home of Castelli, Chris King, ENVE, HJC, Moots Cycles, PUSH, Sidi, Silca, Sportful, Stages, Troy Lee Designs and Wolf Tooth.