Super narrow lightweight 11-speed HG-EV symmetrical design chain for smooth shifts and maximum durability

Shimano Ultegra 6700 Cassette 10 Spd 12-30t. Lightweight 10-speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes.

Shimano BB-R60 Ultegra - 105 Bottom Bracket , English Thread Cup (68mm shell). Suitable for all Shimano road chainsets.

Shimano Ultegra CS-R8000 Cassette, 11-28t

Shimano Ultegra 6701 10 Speed Chain 116L

Shimano Ultegra 6700 10 Spd Cassette 11 - 28t.