SPEDAO 12 Speed MTB Cassette 10-52T 10-50T 11-50T XD HG Freewheel Lightweight CNC K7 Sprocket Drivetrain Upgrade Bicycle Parts Possibly the Best Performance Cassette Made in China. Ride with Confidence. SPEDAO ULT 10-50T XD: Brand：SPEDAO Number of Teeth: 10-50T Teeth: 10-50T (10-12-14-16-18-21-24-28-32-36-42-50T) Chain Compatibility: 12 Speed Weight: 410g±10g Compatible: Fit for Sra XD Colors:Silver /Golden /Black /Rainbow SPEDAO PRO 10-50T XD: Brand:SPEDAO Number of Teeth: 10-50T Teeth: 10-50T (10-12-14-16-18-21-24-28-32-36-42-50T) ChainCompatibility: 12 Speed Weight:425g±10g Compatible: Fit for Sra XD Colors:Grey /Golden /Black /Rainbow SPEDAO ULT 11-50T HG: Brand:SPEDAO Number of Teeth: 11-50T Teeth: 11-50T(11-12-14-16-18-21-24-28-32-36-42-50T) Chain Compatibility: 12 Speed Weight: 380g±10g Compatible: Fit for Hyperglid HG Colors:Silver /Golden /Black /Rainbow SPEDAO PRO 11-50T HG: Brand:SPEDAO Number of Teeth: 11-50T Teeth: 11-50 (11-12-14-16-18-21-24-28-32-36-42-50T) Chain Compatibility: 12 Speed Weight: 395g±10g Compatible: Fit for Hyperglid HG Colors:Grey /Golden /Black /Rainbow SPEDAO ULT 10-52T XD: Brand:SPEDAO Features:Number of Teeth: 10-52T Teeth: 10-12-14-16-18-21-24-28-32-36-42-52T Chain Compatibility: 12 Speed Weight: 376g±10g Compatible: Fit for SRA XD Colors:Golden /Black /Puprel/Silver Main Features: Exclusive patent integrated ring gear Special material characteristics combining steel and aluminum alloy The ring gear is made of a piece of alloy forged steel.Its hardness : HV540-60 The nut and support material are aviation aluminum alloy,hardness is HV175-180,Intensity is 580-630MPA ,10-12% elongation Customer Service Note: We do not provide Oline chat on CHOICE . For all inquiries, please contact: RYET Official Store or LEXON Official Store customer service. We ensure timely and efficient support.

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