Wheels Manufacturing Derailleur Hanger - 471 MFPN=EFCE8000CX These 6mm long bolts are

These 6mm long bolts are designed for single chainrings that have non-threaded standoffs

}Wolf Tooth 1x Chainring Bolt Set - 6mm Dual Hex Fittings Set/5 Black

The Promax Render DSK-717 is a proven reliable cable-actuated mechanical disc brake caliper that delivers an ideal mix of modulation and braking performance

}WTB CZR i30 Rear Wheel - 29" 12 x 148mm 6-Bolt Black Micro Spline 28H

3mm Quarter Turn/TwistLock

Wheels Manufacturing Derailleur Hanger - 471 MFPN=EFCE8000CX These 6mm long bolts areWheels Manufacturing Derailleur Hanger 471. Wheels Manufacturing hangers are stiffer than almost any OEM hanger which improves durability and shifting performance. OEM hangers are only produced by a handful of manufacturers mostly in Taiwan and China. As a result you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. CNC