Genuine replacement parts When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. 製品詳細 Replacement rims for Paradigm TLR wheels Durable double-wall alloy rim with 21mm internal, 26mm external width Pinned construction, non-eyeletted Optimize with Bontrager TLR Sealant, TLR rim strips, valve stems, and tires