One-size-fits-all aluminum tubular rear rack equipped with adjustable legs to fit most 24 to 29 wheel MTB and 700C touring bikes with disc brakesMTX QuickTrack plate is compatible with any Topeak MTX TrunkBag, MTX rear basket, and most other rack packs and panniers on the market6061 T6 aluminum construction with stainless steel hard-ware, 3-point adjustable extendersBackwards compatible with all original (1.0) MTX accessoriesReareyeletBlack24` thru 29`UniversalUPC/EAN/GTIN: 883466033528