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

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alugear

Oval 1X AERO for 107 BCD SRAM Asymmetric

Chainring 1-speed narrow-wide Oval for 107 BCD SRAM Asymmetric Road/Gravel AERO

Sale price$100.00
Color: Black
Size: 38T
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
Red anodized ALUGEAR AERO round road chainring, 107 BCD 4-bolt SRAM asymmetric, machined wave finish
Oval 1X AERO for 107 BCD SRAM AsymmetricBlack / 38T Sale price$100.00
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Technical specifications

Intended use
 Road,Time Trial, Gravel bikes
Offset
 38T-58T 3,0mm
Diameter
 38T- 171,6mm; 40T- 180,2mm; 42T- 188,8mm; 44T- 197,4mm; 46T- 206mm; 48T- 214,6mm; 50T- 223,2mm; 52T- 231,8mm; 54T- 240,4mm; 56T- 249mm; 58T- 257,6mm
Weight
 38T- 71g; 40T- 79g; 42T- 86g; 44T- 94g; 46T- 102g; 48T- 109g; 50T- 117g; 52T- 124g; 54T- 133g; 56T- 150g; 58T- 159g
Ovality
 12%
Timing
 108° (top dead center)
Material
 Aluminum 7075-T6
Surface coating
 Anodizing
Technology
 Narrow Wide chainring teeth (1-speed)

Compatibility

Chains

Chainrings you may use the following chains: 

all 11sp, 12sp Shimano; 

11sp, 12sp SRAM Flattop; 

KMC chains;

NOTE: the chainring 1X (1-speed, single) is not compatible with 2X (2-speed, double setups)
Cranks

For PowerMeter QUARQ SRAM 107BCD or other 107BCD spiders SRAM 4-bolts asymmetrical cranks 

Not compatible with Rival cranks!
Derailleur
 Only for use with a single system without a front derailleur

Recommendations

  • Use 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

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. Compatibility with 12-speed SRAM Flattop AXS chains is also guaranteed. 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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