levers
Shimano Groupset Parts
I recently broke down my old winter bike as some parts were beyond use.
The parts that remain are for sale for pretty cheap.
105 Brake Calipers (Pair) with Ashima Aero Pads [SOLD]
£10 Individually
£17 As Pair
Ultegra Double Front Mechs (both bolt on)
£10 Each
£17 For Both
Ultegra Rear Mech SS 10-speed [SOLD]
£20
105 Shifters Double / 10speed [SOLD]
£15 Individually
£27 As Pair
FS: Brakes clearout - V, dual pivot, canti, levers and pads
Ambrosio deep drop dual pivot brakes 
Ambrosio DP brakes by cnarborough, on Flickr Well used, a bit tired.
Singletrack MTB mag
road.cc on YouTube