Praxis Works Wide Range Cassette 11-40

• Praxis Works Aftermarket 11-40T "Wide-Range" 10sp MTB Cassette 
• For SRAM/Shimano Mid or Long cage RD only.
• Smaller cogs Steel and upper cogs machined 7075-T6 Aluminum Hard Anodized
• 11-13-15-17-19-21-24-28-34-40
• Designed with goal of proper, no sacrifice, no compromise ‘Wide-Range’ 10sp MTB cassette for consumers. Shifting integrity is priority. 
• Praxis did NOT want to be just another 'Expander/Adaptor' that many riders are resorting to. They wanted a full proper cassette. 
• Weight is 322g. Works on any 10sp MTB wheel with no 'rigging' or 'adaptors.' It's as simple as installing and adjusting your RD.