Shimano Tiagra 4700 Front Brake Calliper, Super SLR dual pivot design keeps operating friction to a minimum, improving braking performance. Pads included.

Shimano R55C4 Brake Pads, 105/Ultegra grade, but suitable for all Shimano road callipers, for use with alloy rims.

Shimano ES51 Octalink BB, 68mm x 113mm. Shimano ES51 Octalink bottom bracket, in 68mm British Standard thread, with a 113mm axle length.