The MRP 1x V3 Chain Guide is ideal for accuracy, power and speed. Crafted from the most durable, lightweight and high-quality materials the industry has to offer, this MRP chain guide features a 26-38T compatibility. A new Co-mould rubber upper guide ensures a silent performance for pure, uncompromised speed and power. MRP 1x V3 Chain Guide Features Alloy S3 direct mount New Co-mould rubber upper guide 26-38T compatibility Black