ALUGEAR Round 1X AERO Chainring – Quarq DFour Power Meter

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Technical specifications

Intended use	Road, Time Trial bikes
Offset	38T-52T 3,0mm; 54T 2,0mm; 56T 1,0mm; 58T 0,0mm; 60T -1,0mm; 62T -1,5mm (The offset on larger chainrings is designed to provide adequate clearance to the frame chainstay)
Diameter	38T- 161,3mm; 40T- 171,0mm; 42T- 179,0mm; 44T- 187,0mm; 46T- 195,5mm; 48T- 202,4mm; 50T- 210,4mm; 52T- 219,0mm; 54T- 227mm; 56T- 235mm; 58T- 243mm; 60T- 251mm; 62T- 259mm
Weight	38T- 64g; 40T- 75g; 42T- 80g; 44T- 89g; 46T- 97g; 48T- 106g; 50T- 112g; 52T- 122g; 54T- 133g; 56T- 145g; 58T- 155g; 60T- 171g; 62T- 192g
Material	Aluminum 7075-T6
Made	CNC milling
Surface coating	Anodizing
Technology	Narrow Wide chainring teeth (1-speed)

Compatibility

Shifting	Shifting: 1x11; 1x12
Chains	Chainrings you may use the following chains: 11sp Shimano and 12sp Shimano HG+; 11sp and 12sp SRAM; 12sp SRAM Flattop; NOTE: the chainring 1X (1-speed, single) is not compatible with 2X (2-speed, double setups)
Derailleur	Only for use with a single system without a front derailleur
Covers	ALUGEAR Covers cannot be installed with the DFour power meter and ALUGEAR chainrings. The chainrings can be mounted to the DFour power meter using bolts.
Powermeter	For Quarq DFour DUB Power Meter with 110 mm Asymmetrical bolt circle diameter (4-arms)

Recommendations

You may use ALUGEAR chainring bolts and nuts for mounting: 7mm nuts and 6,5mm bolts are required
We recommend use of a clutch system rear derailleur for the best chain security
It is also a good idea to use a new chain with your new ALUGEAR chainring
Tool holder: 5 mm hexagon socket maximum permissible torque: 10 Nm

7075-T6

Aerospace grade aluminium

Narrow-wide

Unique tooth profile designed specifically for 1x chainrings, eliminates noise, reduces wear, and ensures reliable chain retention

8+ colours

Match your bike with multiple anodized options

Information

Engineering excellence

ALUGEAR chainrings are some of the lightest chainrings on the market. Using our experience and vigorous testing, we tweaked the arm design and strategically machined the chainrings so that only minimal sacrifices were made in impact strength in exchange for large gains in weight reduction. The chainrings are CNC machined from 7075 T6 aluminum and hard coat industrially anodized to provide protection from mechanical impacts, a good look, and an excellent tactile feel to each of the chainrings that lasts a long time.

A unique tooth profile eliminates chain noise, reduces wear, and provides smooth operation on the entire system of all the most common combinations. ALUGEAR chainrings are the best choice if you are looking for a technologically sound chainring with a unique design and low weight.

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