Funn Solo DX Narrow Wide Chainring BOOSTThis dazzling chainring is ideal for MTB use as it offers a stable and reliable hold for your chain as your blast across the mountain. It features an incredibly tough AL7075 aluminium construction which is perfect for withstanding all the knocks and bumps that come with off-road adventuring. Funn has also put this version through a CNC-machining process to shave off any excess grams, so you can enjoy its strength without any unnecessary weight sacrifices. Narrow Wide MTB ChainringDesigned specifically for single chainring conversion with SRAM direct mount interface cranksets, this model delivers amazing torque on every run. Furthermore, its narrow wide tooth profile keeps your chain on the ring at all times, so you can ride as aggressively as you like in all terrain conditions. Features: Material: CNC-machined AL7075 Aluminium Use: MTB Tooth Profile: Narrow wide System: SRAM Direct mount Chainline: Boost, 3mm offset Weight: 60g (28T), 65g (65T), 70g (32T), 80g (34T) Buy Funn Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.