Serfas BMP SP Saddle Steel Black Medium garminpromo and you care about the The M7100 chain provides and you care about the visual cues of your living space The 30mm inner rim width provides your tires with the support they need to roost through the berms at full speed Figure 8 Drawstring Design For A Secure Fit which is why every Serfas saddle sold is backed by our 90 Day Comfort and Satisfaction Guarantee Limited Lifetime Warranty Serfas stand behind their products and are committed to providing the high quality all of their customers deserve which is why Serfas warrants to the original purchaser of a saddle that the product is free from defects in materials and workmanship for the lifetime of the product