TUNE Micro Boost 6-Bolt MTB Hubset
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TUNE Micro Boost Hubset. Built for real trail use.
Micro Boost brings TUNE's lightweight hubs to all-mountain and enduro riding, with J-bend flanges and a robust build that is as light as TUNE could make it while staying strong enough for hard trail riding: 367 g for the pair.
The POEtry 138 freewheel has 138 points of engagement, and the bearings are Enduro steel or Enduro XD-15 ceramic with a lifetime warranty. 6-bolt rotors, Boost 15 x 110 mm front and 12 x 148 mm rear, 28 or 32 holes. Handmade in Buggingen, Germany.
Choose Standard steel or ceramic bearings, the hub color and hole count, and the freehub body: Shimano HG, SRAM XD/XDR or Shimano MicroSpline. The front and rear hub ship together as a set.
Specifications
| Spec | Front | Rear |
|---|---|---|
| Hubset weight | 367 g (±3%) | |
| Holes | 28 or 32 | 28 or 32 |
| Flange | J-bend | J-bend |
| Axle | 15 x 110 mm Boost thru-axle | 12 x 148 mm Boost thru-axle |
| Brake | 6-bolt disc | 6-bolt disc |
| Freewheel | None | POEtry 138, 138 points of engagement |
| Freehub body | None | Shimano HG, SRAM XD/XDR or Shimano MicroSpline |
| Bearings | Enduro steel (Standard) or Enduro XD-15 ceramic (Ceramic) | |
| Color | Black, silver or red | |
| Approved use | MTB all-mountain and enduro | |
| Maximum rider weight | 120 kg / 265 lb | |
| Maximum system weight | 130 kg / 287 lb (rider, bike and luggage) | |
| Maximum spoke tension | 1,100 N | |
| Warranty | 10 years on the hub shell, end caps and axle; lifetime on the ceramic XD-15 bearings (wear parts excluded) | |
| Made in | Handmade in Buggingen, Black Forest, Germany | |
From Dragonspine Cycling, Chicago
Please allow additional time for processing and delivery.
Free Economy shipping on orders $75+ within the continental US. Free pick up at Dragonspine Cycling, Chicago. Questions on freehub, hole count or setup? Call +1 (872) 946-7006 or email support@dragonspinecycling.com.
Free Economy shipping on orders $75+ within the continental US.
Free pick up at Dragonspine Cycling, Chicago.
Standard items
- Economy: $12.99, free on $75+ · 5–8 business days
- Expedited: $15.14, $2.15 on $75+ · 2–5 business days
- UPS 2nd Day Air: $34.99 · up to 3 lb
- FedEx Standard Overnight: $64 · up to 3 lb
Oversized items
Wheels and wheelsets, forks, frames and framesets, racks, repair stands, trainers, trailers and bike travel cases.
- Economy: $35, free on $750+ · 5–8 business days
- Expedited: $45, $10 on $750+ · 2–5 business days
By quote
Standard items over 3 lb by 2nd Day or overnight, oversized items by 2nd Day or overnight, and international shipping. Contact us or call +1 (872) 946-7006.
When orders ship
Items in stock at our Chicago location ordered by 3 PM CT on a business day ship the same day. Items from our warehouse ship within 4–5 business days. Warehouse items are ready for pickup in 4–5 business days.
Free-shipping thresholds are based on the order total after discounts. Full details in our Shipping policy.
Have a question? Contact us now.
