SKU: 97307308187

Schmidt SON28 Dynamo Hub ISO Disc

Sale price$283.50 Regular price$315.00
Save 10%

Pay in installments of $78.75 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Schmidt SON28 Dynamo Hub ISO DiscThru Axle forks and hubs are much better for bikes with disc brakes than are traditional hollow axle hubs because Thru Axle hubs ensure perfect alignment of the disc every time you install the wheel. But with a dynamo hub, there's a catch. Standard hubs with Thru Axles don't require the skewer to be as tight as it would need to be on a traditional hollow axle hub. The skewer only needs to be tight enough so that it doesn't come loose while you ride,

Thru-Axle forks and hubs are much better for bikes with disc brakes than are traditional hollow axle hubs because Thru-Axle hubs ensure perfect alignment of the disc every time you install the wheel. But with a dynamo hub, there's a catch. Standard hubs with Thru-Axles don't require the skewer to be as tight as it would need to be on a traditional hollow axle hub. The skewer only needs to be tight enough so that it doesn't come loose while you ride, whereas a QR in a hollow axle hub must be tighter, lest the hub work its way out of the dropout. So cyclists with Thru-Axle hubs quickly get used to installing the skewer less tightly than they would with a hollow axle. This can cause trouble with a dynamo hub.

If the dynamo hub is not held tightly in the Thru-Axle dropouts, the hub will vibrate a bit and the axle will rotate. If it rotates enough there will be stress on the wires and the spade connectors embedded in the axle. Either the wires or the spade connectors will be damaged, and no power will come from the hub.

When you first install your SON Thru-Axle hub, carefully notice the orientation of the connectors. Perhaps align them straight down if possible, with the wire then looping around and up the fork blade. Ride for a few minutes with the lights on, or with your phone charging. Then stop and notice if the connectors are still pointed straight down. If they have rotated a bit clockwise, you'll know that your skewer was not tight enough. Make the skewer tighter and do the experiment again. Once you have the skewer tight enough so that the connectors never rotate, you're good to go.

Some suspension forks are now being made with 110mm dropout spacing. This allows the disc hub to have symmetrical spoke flange spacing for increased lateral loads

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 97307308187

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.8 ★★★★★
Based on 22 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
Liana
Carnegie, US
★★★★★ 5
Comfortably and works
Color: Original Grey
❤️ I used these with magnesium lotion on my heals for 3 nights, soaked my feet every morning and cracked heals are gone!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
T
Verified Purchase
T. U.
Port Orchard, US
★★★★★ 5
A game changer for deep heel cracks and psoriasis!
Color: Original Grey, Color: Original Grey
If you have deep cracks or psoriasis on your heels, get these they are a total game changer! They hold in Vaseline and topical meds perfectly while I sleep, providing much needed relief without getting all over my sheets. My heels are healing faster and my callouses are softer and don’t split open because the moisture is trapped against the skin all night with the built in gel cushion lining instead of rubbing off. So much hydration. The fact that it is a 2 pack is perfect because while one pair is being washed and drying, you still have a set to wear. Very soft, stretchy, breathable, and easy to sleep in. I highly recommend them!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
J
Verified Purchase
James P McMahon
Bozeman, US
★★★★★ 5
Great item!!
Color: Original Grey
These socks actually work!!! No more split skin on my heels!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
P
Verified Purchase
Paula S
San Leandro, US
★★★★★ 3
Quality and Price
Color: Original Grey
For me a little tight on my ankles
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
C
Verified Purchase
Chan.C
Lowell, US
★★★★★ 5
Soft!
Color: Peach Fuzz
These socks for dry heels are wonderful. I purchased a balm for my feet and these help it soak in over night. They have a gel liner in the heel which is soft. The first few nights I could. Feel the socks just because I wasn't used to it but after a few wears I can't tell I have them on. Love them and seem to be helping my heels.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026

recommand products