Product Description:
Stiff I Beam Crank Arm Available in 175mm or 170mm 44-32-22 All Aluminum Rings w/Aluminum Chainring Bolts 104mm/64mm Bolt Circle Diameter Patented Super Fluid Drive Shifting Ramps ISIS Splined Weight - 640 grams
Product Description:
Stiff Aluminum I Beam Crank Arm or Standard A Crank Available in 175mm, 170mm, 165mm, or 162.5mm 42-34-24 All Stainless Steel Non Replaceable Chainrings Optional Chainguard Patented Fluid Drive Plus Shifting Ramps Square Taper Weight - FCM52 920 grams FCM51 840 grams
Product Description:
8 or 7 Speed Full Index Right Side Shifter Index or Friction Left Side Shifter Force Adjuster to Adjust Shifting Effort Simple Design, Direct Feed Cable, No Winding Weight - 215.5 grams
Product Description:
Switch between 31.8mm and 28.6mm with the change of a Shim Top Swing Top Gear - 42 Tooth Top Low Max Capacity - 20 Tooth Top Middle Min Capacity - 8 Tooth Shimano Compatible Weight - 168 grams