89.5mm / 92mm BOTTOM BRACKET, BB-MT800-PA, PRESS FIT TYPE FOR MTB, RIGHT & LEFT ADAPTER

• More durable chainwheel teeth.
  New 3D composite- chain ring's teeth composition is optimized for each chainwheel load out (1x11, 2x11 & 3x11) with steel driving gear teeth and aluminum support gears.\
• Lose ratio gear combination for minimum shifting gap and maintaining rhythm.
  Improved driving rigidity.
• Enhanced chain retention.
• Various choices for bike and riding style.
• Better sealing and better rotation.