The Wheels Manufacturing Derailleur Shim allows you to find the exact fit for your clamp-on front derailleur. Two sizing options are available: 1 1/8" to 1 1/4" (28.6mm to 31.8mm) and 1" to 1 1/8" ( 25.4mm to 28.6mm).
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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