This mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately.Product detailsUltra-light carbon constructionDirect fit on all Trek road bikes with round seat mastsColour-matched for direct compatibilityOne bolt head design offers easy fore-aft and infinite angle adjustmentIncludes 7 mm round saddle clamp ears, 10 mm ears sold separately135mm x 20mmGunmetal matte
This product is covered by Trek's Unconditional Guarantee - If for any reason you’re not satisfied with your purchase, return the item within 30 days for an exchange or store credit.
