New in bag EC-AT001 black resin Ergopower blocks for steel round tube frame one pair are included.
2001 model, 2 or 3 x 10 speed, made of aluminum, for caliper brake, double or triple crankset compatible, Ergobrain computer and Extra Drive System compatible.
Right lever can shift up to 3 speed in one time and down shift as far as the lever can go.
400g/pair.
Economy International Shipping with tracking number, transit takes 13-23 business days.