▁models , ▁and ▁in ▁ 1 9 8 3 ▁Tre k ▁built ▁its ▁first ▁mountain ▁bi ke , ▁the ▁ 8 5 0 . ▁In ▁ 1 9 8 4 ▁Tre k ▁vent ured ▁into ▁the ▁after market ▁parts ▁and ▁access ories ▁business , ▁launch ing ▁its ▁Tre k ▁Com ponents ▁Group ▁( TC G ) ▁department . ▁▁ 1 9 8 5 – 1 9 9 1 ▁— ▁Technology ▁front ier ▁In ▁ 1 9 8 5 , ▁borrow ing ▁technology ▁from ▁the ▁a eros pace ▁industry , ▁( and ▁bi ke ▁companies ▁such ▁as ▁Alan ▁and ▁Vit us ), ▁Tre k ▁introduced ▁its ▁first ▁bond ed ▁al umin um ▁bi ke ▁frame , ▁the ▁ 2 0 0 0 . ▁The ▁introduction ▁of ▁bond ed ▁al umin um ▁to ▁Tre k ' s ▁production ▁line ▁proved ▁very ▁problem atic ▁for ▁a ▁company ▁that ▁had ▁built ▁itself ▁on ▁hand - bra zed ▁steel ▁frames . ▁Man ufact uring ▁ground ▁to ▁a ▁halt ▁as ▁Tre k ▁worked ▁to ▁figure ▁out ▁how ▁to ▁build ▁bond ed ▁frames ▁in ▁a ▁production ▁environment . ▁A ▁year ▁later ▁Tre k ▁followed ▁up ▁the ▁success ▁of ▁the ▁ 2 0 0 0 ▁with ▁a ▁ 3 - t ube ▁carbon ▁composite ▁model , ▁the ▁ 2 5 0 0 . ▁Thus ▁began ▁Tre k ' s ▁for ay ▁into ▁carbon ▁fi ber . ▁That ▁same ▁year , ▁to ▁keep ▁up ▁with ▁rapidly ▁growing ▁sales , ▁Tre k ▁added ▁another ▁ ▁of ▁manufact uring ▁space ▁to ▁its ▁Water lo