Replace your bottom bracket with these dual-row flanged bearings and run 30mm spindle cranks (FSA BB386EVO
L-pin GXP 2x10 Material Aluminum Position Outer Primary Color Black Speed 10 Teeth 39
00 Primary Color Black Tire Diameter/ISO 26''/559 Tire PSI 29-58 Tire Type Clincher Tire Weight 600g Tire Width 2
Spacers (Qty 5) and Hidden Bolt/Nut kit for CX1 Chainring
34T Dura Ace FC-9000 Bags Replace your bottom bracket withShimano, 34T, 11 sp, BCD 110mm, 4 Bolt, Dura Ace FC 9000, Inner Chainring, For MA for 50T, Aluminum, Silver, Y1N234000 Attributes BCD 110 Chainring Bolts 4 Chainring Comp. 50T Material Aluminum Position Inner Primary Color Silver Speed 11 Teeth 34