Back Back


Wolf Tooth Logo

Wolf Tooth Pack Wrench Kit - Ultralight BB Wrench and 1 Inch Hex Insert


The Wolf Tooth Ultralight Hex and Bottom Bracket Wrench Kit is lightweight, durable and primed for travelling with your bike. .. Read more

One SizeOne Size


The Wolf Tooth Ultralight Hex and Bottom Bracket Wrench Kit is lightweight, durable and primed for travelling with your bike.

An external BB cup spline at one end is ideal for centerlock rotors as well as bottom brackets. The 1" hex end pairs seamlessly with Wolf Tooth's steel hex insert tools which are included in this kit. The tool also has a nifty chainline measurement ruler.

Every wrench and steel insert tool is machined and nickel plated at Wolf Tooth's Minnesota HQ. The following inserts are included in this kit:

  • Ultralight Cinch and ISIS Spline Wrench Insert- older ISIS bottom brackets or the Race Face Cinch direct mount chainring system
  • Ultralight Cassette Lock Ring Wrench Insert- cassette lockrings and some centerlock rotor lockrings
  • Ultralight 8mm Hex Wrench Insert- pedal removal and other 8mm hex applications
  • Ultralight 16mm Hex Wrench Insert- Race Face Cinch aluminium spindle bolts, frame pivots, and other 16mm hex applications
Key Features
  • Machined from 7075-T6 aluminium in Minneapolis, USA.
  • Includes the wrench and steel inserts.
  • 1-inch hex drive interface compatible – inset magnets enable quick coupling and decoupling of steel inserts.
  • 16-notch 44 mm bottom bracket tool (or centerlock rotor tool) compatible.
    • Weight - 88g

    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.


    We use a third-party reviews system, Yotpo, which allows you to leave a review for products you’ve purchased from us. You will find the reviews form under the ‘Reviews’ tab on each product page.

    Personal data collected:

    • Name
    • Email address

    Where this data is stored:

    This data is stored securely in an encrypted third-party service provided by our reviews system, Yotpo.

    What we use this data for:

    This data is used to verify your purchase of the product you’re reviewing and to publish the review on our website. The name under which the review appears can be anonymised at your discretion. The review itself may also be used for marketing purposes.

    How long we keep this data:

    This data will be kept as long as the review is visible on the website.

    How to opt-out:

    If you wish us to remove your data from our systems, please contact and we will be happy to help.

    Read our full privacy policy.