SPROCKET REAR MTX RAPTOR BI METAL 251 51T #520
Offering the best of both worlds, with a 7075-T6 aluminium alloy centre and a durable steel outer ring, held together by a sturdy and durable stainless steel rivet. MTX Raptor Bi-Metal rear sprockets will last 3 times longer than an aluminium sprocket while weighing 10-50% less than a steel sprocket (model dependent). The perfect combination for longer life without compromising weight, complete with a factory anodised centre.
7075-T6 aluminium alloy centre
Durable steel outer ring
Rivetted with a sturdy stainless steel rivet
Lasts 3 times longer than an aluminium sprocket
10-50% lighter than steel sprocket equivalent (model dependent)
Presentable clamshell for an excellent presentation
NOTE: Actual sprocket design may be different from the image above.