Serfas BMP-SP Saddle Steel Black Medium Sunshine_Enriched For use with Alfine Di2

For use with Alfine Di2

Rotor thickness between 1

The Mag-Tank takes a new twist on top tube bags

Works with PC desktops and laptops

Serfas BMP-SP Saddle Steel Black Medium Sunshine_Enriched For use with Alfine Di290 Day Comfort Guarantee We understand finding the perfect saddle can be tough, 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