SPECIAL OFFERTake An Extra 25% Off This Item, Discount Taken in Cart. See details
Markdown Madness: Event dates are 7/24/15 – 8/2/15 only. Online, percent discount is taken at checkout. Discounts apply only to specified categories and/ or brands as noted. All bikes and doorbusters priced as marked. Promotion excludes taxes, gift cards / eGift cards, Spin Doctor Services / Service Plans, Team Performance® memberships/renewals, paid training fees, bikes rental fees, and shipping & handling on web/phone orders. Some brand and/or item exclusions may apply – visit Terms and Conditions for details. Offer is valid online at PerformanceBike.com (no coupon code needed) or by phone at 1-800-727-2453. Promotion cannot be combined with any other promotions & cannot be applied to previous purchases. Sorry, no rain checks. Photographic, typographic and pricing errors are unintentional and subject to change.
Thomson Stem ShimDesigned to work exclusively with Thomson Road Stems.
- Convert your 1 1/8" Thomson Road Stem to work on a 1" steerer tube
- Height: 40mm
Thomson Stem Shim
- clamp diameter:
- clamp height:
- steerer diameter: