Brilliant piece of kit and the cheapest I can find on the internet. Tried and test myself and highly recommend. £38.95 is including delivery and IPhone 6 plus link is below.
IPhone 6/6S Plus - http://www.outdoorgb.com/p/Quad_Lock_Bike_Kit_for_iPhone_6_Plus/?SelectedItem=690411
Quad Lock Bike Kit for iPhone 6/6S
The Quad Lock® Bike Mount for iPhone 6 is the lightest and strongest iPhone 6 bike mount available thanks to the Patent Pending Quad Lock® dual lock system. Now your iPhone 6 can be fully utilised to track your fitness via apps and navigate your city with ease.
The kit contains
1 x Bike Mount PRO (with mounting hard wear)
1 x Quad Lock® Case for iPhone 6
1x Quad Lock® Poncho
Bike Mount Pro features a low profile design, multiple attachment methods and has the Super Secure Locking System (Patent Pending)
The Quad Lock® case is constructed from durable TPU/PC composite, protecting your phone from knocks and falls
The slim profile does not restrict use in pockets and allows full use of buttons and ports
Lay on the table design protects the screen when places face down
The Quad Lock® Poncho is a weather resistant slip on cover, which allows full use of the touch screen when installed
Constructed from durable crystal clear TPU