SRAM Rival 22 11 Speed Double Chainset (GXP), Black

Specification:- Arm Material : Forged aluminum arms, Machined alloy spider- Chainring Material: Machined alloy rings- Weight: 873g (BB30 172.5mm 52x36 BB not included)/ 857g (GXP 172.5mm 52x36 BB not included)- Available Arm Lengths : 165mm, 167.5mm, 170mm, 172.5mm, 175mm, 177.5mm- Available Ratios : 52/36, 50/34, 46/36- Compatibility : SRAM RED® 22, Force 22 & Rival 22 Yaw? front derailleurs/ SRAM PC 1170 & PC 1130 chains- Finish : Black- Recommended Chain : SRAM PC 1130 chain- Technology Highlight(s) : X-GlideR chainrings/ Hidden bolt configurationTechnology:BB30:- Besides serious weight savings, this bottom bracket means narrow Q-factor, more ankle clearance, greater bearing durability and stronger crank construction. GXP®- GXP?s Gutter Seal design cuts friction and weight?improving both feel and performance.PressFit:- A variant of the external GXP bottom bracket, PressFit cuts weight by up to 40 grams and eases installation by allowing you to press the bearing cups into the frame i