5800 looks/designed/perform (?) better and is just £35 more: http://www.chainreactioncycles.com/shimano-105-5800-11-speed-groupset/rp-prod116477
According to scoble its going to be cheaper than 5700 if ultegra is anything to go by (6800 is cheaper than 6700)
@amey started
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5800 looks/designed/perform (?) better and is just £35 more: http://www.chainreactioncycles.com/shimano-105-5800-11-speed-groupset/rp-prod116477
According to scoble its going to be cheaper than 5700 if ultegra is anything to go by (6800 is cheaper than 6700)