Serfas BMP-SP Saddle Steel Black Medium Sunshine_Enriched PLUG second output to SPOT

PLUG second output to SPOT tracker or GPS as well as charging a USB cache battery as same time

For use with Alfine Di2

The Thomson seatpost design incorporates a bending fuse to prevent catastrophic failure

UCP spokes

Fits tube sizes up to 7/8" diameter

Serfas BMP-SP Saddle Steel Black Medium Sunshine_Enriched PLUG second output to SPOT90 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