Open today · 10am–5pm·105, 11127 15th Street NE, Calgary·📞 888-400-7221
Book Service
ESC to close · search products, parts & accessories
Start typing to searchFind products by name, brand, SKU, or category — or pick a popular tag above.
Home  /  Shop  /  Parts & Accessories  /  30.4 Seat Post Shim
No images yet
Surface604Bikes

30.4 Seat Post Shim

$13.99Only 2 left — order now
SKU: s604-304shim

Seat post shim adapter from 27.2mm to 30.4mm for Surface 604 eBikes. This thin aluminum sleeve fits inside the frame's seat tube, allowing a standard 27.2mm seat post to fit securely in the larger 30.4mm seat tube.… Read more ↓

Reserve in-store
Ships Canada-wideor pick up at our Calgary shop
Free local deliveryOn $200+ · Canada-wide shipping at checkout
Pay online by cardor in person (cash · debit · e-transfer) if local
5-yr frame warranty+ 1-yr electric system

Seat post shim adapter from 27.2mm to 30.4mm for Surface 604 eBikes. This thin aluminum sleeve fits inside the frame's seat tube, allowing a standard 27.2mm seat post to fit securely in the larger 30.4mm seat tube.…

Seat post shim adapter from 27.2mm to 30.4mm for Surface 604 eBikes. This thin aluminum sleeve fits inside the frame's seat tube, allowing a standard 27.2mm seat post to fit securely in the larger 30.4mm seat tube.

Required when using the stock Surface 604 seat post or aftermarket 27.2mm posts. A simple but essential adapter.