Stay Strong Chainring-4-Bolt Gear Size:49T INFO: •68mm Shell •Sealed bearings

INFO: •68mm Shell •Sealed bearings

6065 Butted Alloy

0mm and 27

Disc Brake Rotor Mount: ISO 6-Bolt Flange

the choice is yours whether to use the half-link or not

Stay Strong Chainring-4-Bolt Gear Size:49T INFO: •68mm Shell •Sealed bearingsThe Stay Strong 4 Bolt Chainring at J&R Bicycles is made of fully CNC machined aircraft grade 7075 aluminum which makes for a strong and lightweight cog. This 4 bolt design measures 4mm thick and while it only weighs 78g, it delivers efficient transfer power when you need it most. This streamlined design features a CNCd bolt recess and is finished off with laser etched Stay Strong logos. Weight: 78g