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Round AERO Thread Mount 6,5mm Road/GravelSRAM 8-boltsUltegraAERO cover

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Blue anodized ALUGEAR AERO round road chainring close-up teeth detail, 110 BCD 4-bolt Shimano asymmetric
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Gold anodized ALUGEAR AERO round road chainring close-up teeth detail, 110 BCD 4-bolt Shimano asymmetric
Purple anodized ALUGEAR AERO round road chainring close-up teeth detail, 110 BCD 4-bolt Shimano asymmetric
alugear

Round 1X for Dfour Power Meter

Chainring 1-speed narrow-wide Round for Quarq DFour DUB Power Meter

Sale price$103.00
Color: Black
Size: 38T
In stock
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Processing time: up to 10 business days. Shipping time: 2 to 7 business days. Provided by FedEx

Return policy

You can return an unused product within 30 days
Red anodized ALUGEAR round road 1X chainring for Dfour power meter, 4-bolt asymmetric, wave pattern
Round 1X for Dfour Power MeterBlack / 38T Sale price$103.00
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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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