SHIM10
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Probikekit have 10% off shimano parts at the moment up to a discount of $50. Combine this with 3.2% cashback from Cashrewards and you can get a nice piece of kit for ~$637. A compact crankset option is also available.
The Ultegra series is 'pro-proven' as it is a direct trickle down from the Dura Ace group. It stands for state-of-the-art technology, proven in pro races. The Ultegra 6800 series contains the following components:
Brakes
With new polymer-coated BC-R680 cables, new brakes give smooth, light operation with excellent modulation
Greater braking power modulation
Brand-new SLR with 2 axle symmetric brake caliper
New Brake shoe compound (R55C4)
Adjustable toe-in brake shoes
Spring tension adjuster
Cassette Sprocket
Rider tuned wider gearing options with 11-speed
Available in 11-23T, 11-25T, 12-25T and 11-28T
Chain
SIL-TEC coating 11-speed chain
Crankset ( Bottom bracket is BSA threaded english standard )
Dura-Ace proven 4-arm design: Same stiffness and lighter weight
14g lighter weight and half the friction of the SM-BB6700, while maintaining the same durability
Gearing 53x39
Front (BSA threaded english standard ) and Rear Derailleurs
More equal shifting effort throughout the full range of the cassette
Maintains precise shifting over an extended time period
Wide link design increase rigidity and reduces shifting deflection
Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available
Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available
Shifter - STI Dual Control
Tactile feedback to the rider that the gear shift has been completed
Light action, define click engagement Vivid index shifting
Short lever stroke response
Powerful and controllable braking system
Carbon brake lever
New Ultegra Polymer-coated Shift Cable
If you pay in GBP and use your 28 degrees card or similar to pay, after conversion price should endup around AUD $638. Also think there was one of the cashback sites offering some money back from PBK. Beware postage can take a couple of weeks from these guys if time is of the essence!