ALUGEAR AERO Upgrade Kit for Shimano Dura-Ace R9200 (2x12)
by ALUGEAR
Regular price£205.99 Sale price
Aero chainring kit · 2x12
ALUGEAR AERO Upgrade Kit for Shimano Dura-Ace R9200 (2x12)
Upgrade a Shimano Dura-Ace R9200 chainset with CNC-machined 7075-T6 aero rings and a matching cover for a cleaner, faster-looking drive side.
Highlights
Why we rate it
Complete aero conversion
Outer ring, inner ring and a matching aero cover in one box, so your Dura-Ace FC-R9200 crank gets a clean, integrated look without hunting for parts.
Hides the spider joint
The cover sits over the junction between the rings and the crank arm, smoothing the drive side and tidying up the profile.
Five gearing choices
Pick from 48-34, 50-34, 52-36, 54-40 or 56-40 – from compact endurance gearing right up to big-ring time-trial ratios.
Mix-and-match colours
Rings and cover are chosen separately, with ten anodised cover finishes to match or contrast with the rest of your build.
Machined, not stamped
Both rings are CNC-milled from 7075-T6 aluminium and hard anodised for stiffness, accurate shifting and long-lasting good looks.
Tech specs
Specification
Manufacturer specification. Details may change without notice.
Specification
- Compatibility
- Shimano Dura-Ace FC-R9200 2x12 cranks
- BCD
- 110 mm Shimano asymmetric (4-arm)
- Speeds
- 2x12
- Ring combinations
- 48-34, 50-34, 52-36, 54-40, 56-40
- Outer ring weights
- 50T 112 g; 52T 127 g; 54T 143 g; 56T 171 g
- Inner ring weights
- 34T 26 g; 36T 29 g; 40T 39 g
- Cover weight
- 17 g
- Bolts
- M8 11.5 mm, 8 g
- Material
- Aluminium 7075-T6
- Manufacture
- CNC milled, anodised
- Intended use
- Road and time trial
In the box
- Includes
- Outer chainring
- Includes
- Inner chainring
- Includes
- ALUGEAR AERO cover
- Includes
- M8 11.5 mm chainring bolts
Ordering
Available from The Cycle Collective
Made to order by ALUGEAR. For availability, lead times, sizing or compatibility advice, call 0203 148 6764 or email hello@thecyclecollective.cc.
Product Information
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SAVE MONEY. MODIFY AT ANY TIME. PAUSE, SKIP OR CHANGE
Close all zippers before washing
Wash at max 30°C
Hand washing with cold water (or gentle wash cycle)Using mild, high quality detergent
Drip drying in shade, do not machine dry
Avoiding ironing and bleachThe instructions on your garment’s label
Sorting your clothing by color
Avoiding fabric softener.
Our clothing isn’t meant to be dry cleaned and soaking clothing is not ideal
Storage
Unused sealed sachets should be stored inside the box in a well-ventilated, dry place and protected from moisture, heat and direct sunlight. Can be stored for up to 3 years.
Size
Each sachet contains 30g powder.2 x 30g sachets per carton box.
Makes 2x litres of bike cleaner
100% plastic free packaging
Readily biodegradable ingredients
100% water free
Refill your old bottle and help reduce plastic waste
92% saving in packaging compared to 2 x 1L bike cleaner
100% environmentally friendly ingredients, including plant based raw materials
Supplied in a compostable sachet and printed with vegetable inks
FSC recycled card box containing 2 x sachets – that makes 2L of bike cleaner
Safe on all parts and surfaces including carbon fibre
Will not harm seals, cables, disc brake pads or rotors
Alkaline based and free from alcohol, CFCs, EDTA, solvents or acids
Vegan & vegetarian friendlyCruelty free, not tested on animals
Sachet Instructions
1. Grab your empty old bottle of Muc-Off. (You may need a pair of adjustable pliers to remove the trigger from the bottle). Or purchase our Bottle for Life.
2. Fill up to the shoulders of the bottle with 1 litre of lukewarm water for faster formula activation!
3. Carefully cut one corner of the sachet open along the diagonal cut lines.
4. You can carefully pour the sachet straight into the top of the bottle. Or using the box, fold the inside of the lid together using the printed lines as a guide and use this as a funnel to pour the powder into your bottle. (Please see our video for full instructions on this.
5. Screw your spray trigger back onto the top of the bottle. Ensure it’s tight!
6. Shake the bottle vigorously for 30-60 seconds to activate the formula. If you notice any undissolved powder simply keep shakin’ it!
7. Go clean that filthy bike!
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