Chainring direct mount 1-speed narrow-wide ROUND BOOST for SHIMANO 12sp MTB “ELM” (3mm offset)

Basic price 60$

Clear Variable

The original design ALUGEAR chainring “ELM”

 

TECHNICAL SPECIFICATIONS

  • Offset: 26T-38T  3,0mm; 40T-44T  2,0mm

  • Chainline: 26T-38T   52,0mm; 55,0mm; 56,5mm (depending on used crank)

  • Weight: 26T- 44g; 28T- 48g; 30T- 55g; 32T- 60g; 34T- 66g; 36T- 70g; 38T- 75g; 40T- 83g; 42T- 86g; 44T- 91g

  • Diameter: 26T- 115mm; 28T- 124mm; 30T- 131,5mm; 32T- 138,6mm; 34T- 148mm; 36T- 154,2mm; 38T- 161,3mm; 40T- 171,0mm; 42T- 179,0mm; 44T- 187,0mm

  • Material: 7075-T6 aluminum

  • Made: CNC milling

  • Surface coating: Anodizing

 

COMPATIBILITY

  • For Shimano Direct Mount 12 speed cranksets: XTR M9100/9120/9125/9130, XT M8100/8120/8130, SLX M7100/7120/7130, Deore M6100/6120/6130, MT900, MT610

  • Cranksets M9100/9120, M8100, M7100, M6100, MT900, MT610 will use with a Boost chainring (3mm offset), and it is compatible with 142 mm or 148 mm O.L.D. frames

  • Cranksets M9125, M8120, M7120, M6120 have a longer spindle and also use a Boost chainring (3mm offset). It is compatible with 148 mm O.L.D. frames

  • Cranksets M9130, M8130, M7130, M6130 have an even longer spindle and also use a Boost chainring (3mm offset). These cranks should use with 157 mm O.L.D. frames

  • MTB chainrings you may use the following chains: all 10sp; 11sp; 12sp Shimano Hyperglide+ and 10sp, 11sp, 12sp SRAM. (Not compatible with SRAM Flattop chains)

 

DESCRIPTION

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 10, 11, and 12-speed drives. The Narrow Wide teeth guide the chain reliably

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

 

RECOMMENDATIONS

  • 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

 

Toothcount

26T, 28T, 30T, 32T, 34T, 36T, 38T, 40T, 42T, 44T

Color

Black, Blue, Green, Orange, Red, Silver

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