Wheels Manufacturing Seatpost Collar
Crafted with the same precision as our world-class bottom brackets and derailleur hangers, Wheels Manufacturing Seatpost Collars are the finishing touch your bike build deserves. Whether you're dialing in a dream machine or just need to keep your seat post from slipping mid-ride, this is the collar you can trust.
No slipping. No creaking. No compromise.
- Rock-solid retention – A bolt-and-barrel nut design delivers even clamping force for a secure hold.

- Match your build – Choose from 7 bold anodized colors that coordinate with our bottom brackets, Headset spacers, hangers, and more.
- Built for the long haul Precision CNC-machined in the USA from high-quality aluminum, because lasting quality never goes out of style.
Specifications:
- Machined aluminum collar with stainless steel bolt and barrel nut
- Sizes: 28.6mm, 29.8mm, 31.8mm, 34.9mm
- Weight: 31g-33g
- Fit size +or- 0.05mm
SKUs
SPC1-28.6-00 (28.6mm)
SPC1-29.8-00 (29.8mm)
SPC1-31.8-00 (31.8mm)
SPC1-34.9-00 (34.9mm)
Product Information
Product Information
Shipping & Returns
Shipping & Returns




Wheels Manufacturing Seatpost Collar
Wheels Manufacturing Seatpost Collar
Crafted with the same precision as our world-class bottom brackets and derailleur hangers, Wheels Manufacturing Seatpost Collars are the finishing touch your bike build deserves. Whether you're dialing in a dream machine or just need to keep your seat post from slipping mid-ride, this is the collar you can trust.
No slipping. No creaking. No compromise.
- Rock-solid retention – A bolt-and-barrel nut design delivers even clamping force for a secure hold.

- Match your build – Choose from 7 bold anodized colors that coordinate with our bottom brackets, Headset spacers, hangers, and more.
- Built for the long haul Precision CNC-machined in the USA from high-quality aluminum, because lasting quality never goes out of style.
Specifications:
- Machined aluminum collar with stainless steel bolt and barrel nut
- Sizes: 28.6mm, 29.8mm, 31.8mm, 34.9mm
- Weight: 31g-33g
- Fit size +or- 0.05mm
SKUs
SPC1-28.6-00 (28.6mm)
SPC1-29.8-00 (29.8mm)
SPC1-31.8-00 (31.8mm)
SPC1-34.9-00 (34.9mm)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Crafted with the same precision as our world-class bottom brackets and derailleur hangers, Wheels Manufacturing Seatpost Collars are the finishing touch your bike build deserves. Whether you're dialing in a dream machine or just need to keep your seat post from slipping mid-ride, this is the collar you can trust.
No slipping. No creaking. No compromise.
- Rock-solid retention – A bolt-and-barrel nut design delivers even clamping force for a secure hold.

- Match your build – Choose from 7 bold anodized colors that coordinate with our bottom brackets, Headset spacers, hangers, and more.
- Built for the long haul Precision CNC-machined in the USA from high-quality aluminum, because lasting quality never goes out of style.
Specifications:
- Machined aluminum collar with stainless steel bolt and barrel nut
- Sizes: 28.6mm, 29.8mm, 31.8mm, 34.9mm
- Weight: 31g-33g
- Fit size +or- 0.05mm
SKUs
SPC1-28.6-00 (28.6mm)
SPC1-29.8-00 (29.8mm)
SPC1-31.8-00 (31.8mm)
SPC1-34.9-00 (34.9mm)















