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

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Blue anodized ALUGEAR round road outer chainring and black inner ring pair, 110 BCD 4-bolt Shimano asymmetric, wave pattern
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Black ALUGEAR 2x round AERO chainring set for Shimano GRX, outer and inner rings plus 8 chainring bolts
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Black oval ALUGEAR boost MTB chainring, SRAM 8-bolt T-Type direct-mount, narrow-wide teeth, diagonal slot cut-outs
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Blue anodized ALUGEAR round AERO Golf Ball 1X chainring, SRAM 8-bolt direct-mount, narrow-wide teeth, dimpled surface
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Black oval ALUGEAR road chainring with wave-pattern face, 110 BCD 4-bolt Shimano asymmetric, 1X 12-speed, 60T engraved
Black oval ALUGEAR road chainring backside with geometric cutout pattern, 110 BCD 4-bolt Shimano asymmetric, 1X 12-speed
Black ALUGEAR AERO road chainring close-up teeth, 110 BCD 4-bolt Shimano asymmetric, machined concentric finish
Red anodized ALUGEAR AERO round road chainring close-up teeth detail, 110 BCD 4-bolt Shimano asymmetric
Silver ALUGEAR AERO round road chainring close-up teeth detail, 110 BCD 4-bolt Shimano asymmetric
Blue anodized ALUGEAR AERO round road chainring close-up teeth detail, 110 BCD 4-bolt Shimano asymmetric
Orange anodized ALUGEAR AERO round road chainring close-up teeth detail, 110 BCD 4-bolt Shimano asymmetric
Green anodized ALUGEAR AERO round road chainring close-up teeth detail, 110 BCD 4-bolt Shimano asymmetric
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
Close-up of black ALUGEAR round road chainring teeth on Shimano Ultegra crank, 110 BCD 4-bolt asymmetric, wave-pattern body
Black ALUGEAR round road chainring installed on Shimano Ultegra crank arm, 110 BCD 4-bolt asymmetric, angled view
alugear

Oval 1X for 12sp. 110 BCD 4b Shimano Asymmetric

Chainring 1-speed narrow-wide Oval for 12sp 110 BCD 4b Shimano Asymmetric Road 1x12

Sale price383,66 zł
Color: Black
Size: 40T
In stock
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Shipping and processing

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
Black oval ALUGEAR road chainring with wave-pattern face, 110 BCD 4-bolt Shimano asymmetric, 1X 12-speed, 60T engraved
Oval 1X for 12sp. 110 BCD 4b Shimano AsymmetricBlack / 40T Sale price383,66 zł
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Technical specifications

Intended use
 Road, Time Trial bikes
Offset
 40T-50T 3,0mm; 52T 2,0mm; 54T 1,0mm; 56T 0,0mm; 58T -1,0mm; 60T -1,5mm; 62T -2,0mm (The offset on larger chainrings is designed to provide adequate clearance to the frame chainstay)
Diameter
 40T- 178mm; 42T- 186mm; 44T- 194mm; 46T- 202mm; 48T- 210mm; 50T- 218mm; 52T- 226mm; 54T- 234mm; 56T- 242mm; 58T- 250mm; 60T- 258mm; 62T- 266mm
Weight
 40T- 73g; 42T- 77g; 44T- 85g; 46T- 96g; 48T- 103g; 50T- 111g; 52T- 118g; 54T- 126g; 56T- 136g; 58T- 147g; 60T- 159g; 62T- 180g
Ovality
 12%
Timing
 108° (top dead center)
Material
 Aluminum 7075-T6
Surface coating
 Anodizing
Technology
 Narrow Wide chainring teeth (1-speed)

Compatibility

Shifting
 1x12
Chains

Chainrings you may use the following chains: 

12sp Shimano HG+ ; 

12sp SRAM Flattop; 

KMC chains; 

NOTE: the chainring 1X (1-speed, single) is not compatible with 2X (2-speed, double setups)
Cranks
 For Shimano cranks with 110 mm Asymmetrical bolt circle diameter (4-arms):Dura-Ace R9200; Ultegra R8100; 105 R7100
Derailleur
 Only for use with a single system without a front derailleur
Covers
 with ALUGEAR Covers for 12sp. chainring
Powermeter
 with a Shimano 12sp. crankset integrated power meter

Recommendations

  • For the best appearance, you may use ALUGEAR AERO COVER (for 105 R7100 , Ultegra R8100 , R8100-P or Dura-Ace R9200 , R9200-P cranks)
  • Also, you may use ALUGEAR chainring bolts and nuts for mounting: 7mm nuts and 6,5mm bolts are required
  • We recommend the 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

Installation Instructions

Alugear 1X chainring installation with the AERO cover Download
Alugear 1X chainring installation with the nuts and bolts Download
Oval Alugear chainring installation Download

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, such as 12-speed drives. 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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Made for riders

Designed with real riding experience in mind

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