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There are two versions of the "Topeak Explorer Tubular Frame Mounted Bicycle Rack"

'regular' (TA2026-B) and 29er (TA2042-B )

I'm not sure what would work best with my 700c hybrid bike?

The difference in dimensions(Size (L x W x H) 42 x 17 x 41.5 cm vs 34 x 14.2 x 41.5 cm) seems a little odd as they both support the MTX QuickTrack™ System. I do plan to get an MTX trunk bag for it.

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29" and 700c rims are the same diameter (iso 622mm). Primarily, the difference in width and length is to accommodate wider MTB frame stays and tires...I'd stick with the TA2026-B. – WTHarper Oct 23 '12 at 4:29
Totally approve the above comment. Should you get TA2042-B for your 700c commuter would result in unneeded, excessive clearance between the tyre/mudguard and the rack. – astabada Oct 23 '12 at 10:15
@WTHarper post an answer and i will accept it, thank you both for you advise. – Dagon Oct 23 '12 at 19:33

1 Answer

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29" and 700c rims are the same diameter (iso 622mm). Primarily, the difference in width and length is to accommodate wider MTB frame stays and tires...I'd stick with the TA2026-B.

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