ALUGEAR Round 1X Narrow-Wide - 110 BCD 4-Bolt 11sp

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Technical specifications

Intended use	Road,Time Trial, Gravel bikes
Offset	38T-54T 3,0mm; 56T-58T 2,0mm; 60T-62T 1,0mm (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- 63g; 40T- 74g; 42T- 80g; 44T- 88g; 46T- 99g; 48T- 108g; 50T- 114g; 52T- 123g; 54T- 134g; 56T- 145g; 58T- 159g; 60T- 174g; 62T- 192g
Material	Aluminum 7075-T6
Made	CNC milling
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; NOTE: the chainring 1X (1-speed, single) is not compatible with 2X (2-speed, double setups)
Cranks	For Shimano 2×11 cranks with 110 mm Asymmetrical bolt circle diameter (4-arms): Dura-Ace R9100; Ultegra R8000; 105 R7000 and Dura-Ace 9000; Ultegra 6800; 105 5800; Tiagra 4700; Not compatible with Shimano 2×11 cranks with PowerMeters
Derailleur	Only for use with a single system without a front derailleur
Covers	with ALUGEAR Covers for 11sp. chainring

Recommendations

For the best appearance, you may use ALUGEAR AERO COVER (for Ultegra R8000 cranks)
Also, 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
It is recommended to use a well-lubricated chain on every ride

Installation Instructions

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

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. 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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