MRP 2x Chain Retention System Steel 34-40T ISCG-05 Black CheckoutTitle=Wheels Manufacturing T47 Outboard Bottom Bracket with Angular Contact Bearings for 30mm Spindles 0mm 286mm J-bend Silver Box

0mm 286mm J-bend Silver Box of 100

Defined Color Black Spoke Interface J-Bend Color Black Flange Diameter Right 50 Flange Diameter Left 60 Weight 150 Hub Drilling 32 Bearing Type Sealed Cartridge Front Axle 12mm Thru x 100mm Front Axle 15mm Thru x 100mm Front Axle 20mm Thru x 110mm Front Axle QR x 100mm Hub/Brake Compatibility 6-Bolt Disc Center to Flange Right 34 Center to Flange Left 22

Interchangeable with current Dura-Ace and Ultegra

Also it’s stainless steel

MRP 2x Chain Retention System Steel 34-40T ISCG-05 Black CheckoutTitle=Wheels Manufacturing T47 Outboard Bottom Bracket with Angular Contact Bearings for 30mm Spindles 0mm 286mm J-bend Silver BoxMRP 2x Chain Retention System Steel 34 40T ISCG 05 Black. The 2x chain guide provides robust chain retention and chainring protection for 2x10 and 2x9 drivetrains. Integrated skid protects chainrings and glides over rocks and obstacles Modular skid saves 40g when removed Patent pending dual pulley design provides precise chain engagement while reducing noise and drag Raised top fin profile prevents the chain from dropping to the BB shell Compatible