Join Date: Aug 2005
Location: Pittsburgh, PA
Bikes: '''96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '12 Surly Pacer, All are 3x8,9 or 10. It is hilly around here!
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Almost everything will move over from the Trek to the Cross Check. Cross Checks come with 132.5 mm rear spacing so either road (130 mm) or MTB (135 mm) hubs will work. Trek uses the same 700c wheels size as the Cross Check so the brakes will transfer too as will the brake levers, bars, shifters, rear derailleur and cassette. The crank and bottom bracket should be a direct lift if the Trek has a 68 mm bb shell. The front derailleur may or may not transfer depending on the clamp diameter. The Cross Check uses a 1-1/8" (28.6 mm) front derailleur clamp.
Even the seatposts are the same diameter (27.2 mm) so it and the saddle will transfer. Assuming the Trek has a 1-1/8" steerer diameter, the stem and spacers will also make the change. You will need a new headset as the Trek has an "integrated" headset and the Cross check uses a standard press in cup type.
One warning, the Cross Check has horizontal dropouts so be sure the quick release skewers on your rear hub is an enclosed cam type like a Shimano or Campy. External cams skewers can't be tightened enough to keep the wheel from slipping in the dropouts under load. Buy the right type if you don't already have it.
Last edited by HillRider; 02-07-14 at 01:52 PM.