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

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Green anodized ALUGEAR 94/96 BCD 4-bolt MTB chainring, macro close-up of narrow-wide teeth with flow-line machining
Gold anodized ALUGEAR 94/96 BCD 4-bolt MTB chainring, macro close-up of narrow-wide teeth with flow-line machining
Purple anodized ALUGEAR 94/96 BCD 4-bolt MTB chainring, macro close-up of narrow-wide teeth with flow-line machining
alugear

Round AERO for SRM PM 104 BCD MTB

Chainring 1-speed narrow-wide Round for SRM Power Meter 104 BCD MTB AERO

Sale price$86.00
Color: Black
Size: 32T
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
Black round ALUGEAR AERO chainring for SRM power meter, 104 BCD 4-bolt MTB mount, narrow-wide teeth
Round AERO for SRM PM 104 BCD MTBBlack / 32T Sale price$86.00
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Technical specifications

Intended use
 MTB bikes
Offset
 32T-40T 0mm
Diameter
 32T- 138,6mm; 34T- 148mm; 36T- 154,2mm; 38T- 161,3mm; 40T- 171mm
Weight
 32T- 38g; 34T- 46g; 36T- 54g; 38T- 61g; 40T- 68g
Material
 Aluminum 7075-T6
Made
 CNC milling
Surface coating
 Anodizing

Compatibility

Chains

We have designed universal teeth that work with other chains as well: 

SRAM chains - 11sp, 12sp Eagle, 12sp T-Type; 

Shimano chains - 11sp, 12sp HG+;

KMC chains
Cranks

For PowerMeter SRM Origin MTB with spider 104 BCD that has the direct mount to the crank with 8-bolt and 3-bolt; 

Compatible with all common cranks that have a 104 BCD 4-arm bolt circle diameter

Recommendations

  • Use Bolts and Nuts for mounting: 5mm Nuts and 6,5mm Bolts are required
  • Tool holder: Nut 6mm and Bolt 5mm hexagon socket, maximum permissible torque: 10 Nm
  • We recommend the use of an increased cage tension system rear derailleur for the best chain security
  • It is also a good idea to use a new chain with your new ALUGEAR chainring
  • It is recommended to use a well-lubricated chain on every ride

Installation Instructions

Round 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

The chainrings are characterized by a quiet running of the chain and good self-cleaning in muddy conditions. With the alternating narrow wide tooth profile, which is matched to the bicycle chains, the chainrings keep the chain always securely in place. The chainrings are available with 32 to 40 teeth. 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 11 and 12-speed drives. The tooth profile is specially designed for use with MTB chains. 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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