Shimano Ultegra R8100 12 Spd Road CassetteShimano Ultegra R8100 12 Spd Road Cassette ULTEGRA 8100: Join the Pursuit of Next Level Speed Shimanos new ULTEGRA line up dives into what is ready behind the science of speed with real world applications. Following in the footsteps of the DURA ACE design philosophy, and using many of the same product designs, including the new addition of the 12 speed rear, ULTEGRA is joining the pursuit of next level speed. DURA ACE shared DNA The new R8100 series

Features a Presta valve remover

the R171 uses Shimano's new Dynalast technology to maximise your pedaling efficiency and the offset strap system helps relieve tension at the highest part of your foot for greater rider comfort

68mm Wide BB Shells

tt / triathlon single button bar end shift switches are used to operate both front and rear derailleur's with synchronized shifting

Ham fisted home mechanics can wreak havoc with B-bolts and limits screws

Bianchi has partnered with Lazer helmets to bring you the Bianchi Neon model

or month later to a fully charged

this system remains efficient

with a lightweight fiberglass shell

All-day comfort

with a bit of an attitude

An aluminium lockring is a further improvement over the older steel version making the package more light weight