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MRP Better Boost Adapter Kit

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Better Boost Adapter Kits

Designed for:

Converting compatible DT-Swiss 15x100mm hubs to 15x110mm Boost standard

Stans 3.30, 3.30 Ti, ZTR Stans Neo OS, Neo Ultimate OS Hubs

The new Better Boost Adapter Kits allow you to keep your existing 15x100mm front wheel as you upgrade to a new Boost 15x110mm fork.

What makes them better?

There are other conversion kits on the market, but ours is the best.  One competing kit consists of two loose 5mm axle spacers that are a pain to install and are easily lost during wheel removal. Another provides you with just one endcap and requires that you re-dish your wheel to re-center it in your fork. The Better Boost Adapter Kit consists of two precisely machined end caps and a rotor spacer (and requistite bolts), and it requires NO DISHING.

What hubs are compatible?

Below are the Better Boost Adapter Kits available:

DT-Swiss 350-based 15x100 front hubs:

  • 6-bolt (WB-17-5200)

  • Centre lock (WB-17-5200-CL)

  • Compatible Hubs: 350 Classic MTB db IS (15x100mm), 370 (15x100mm)

  • Compatible Wheels: X 1700 SPLINE TWO (27.5, 29), X 1900 SPLINE (27.5, 29), M 1700 SPLINE TWO (27.5, 29), M 1900 SPLINE (27.5, 29), E 1700 SPLINE TWO (27.5, 29), & E 1900 SPLINE (27.5, 29)

DT-Swiss 240-based 15x100 front hubs: 

(not compatible with 240 hubs with threaded end caps)

  • 6-bolt (WB-17-5201)

  • Centre lock (WB-17-5201-CL)

  • Compatible Hubs: N/A

  • Compatible Wheels: XRC 1200 SPLINE (27.5, 29), XR 1501 SPLINE ONE (27.5, 29), XMC 1200 SPLINE (27.5, 29), XM 1501 SPLINE ONE (27.5, 29). & EX 1501 SPLINE ONE (27.5, 29)

DT-Swiss 240-based 15x100 straight pull hubs:

(not compatible with centre lock hubs)

  • WB-17-5205

  • DT-Swiss 240 OS straight pull and classic spoke, oversized, converts to 15x110.

Stan's 3.30 15x100 6-bolt front hubs:

(not compatible with 3.30HD)

  • (WB-17-5203)

  • Compatible Hubs:  3.30, 3.30 Ti, and ZTR hubs.

  • Compatible Wheels: Stan's No Tubes-produced wheelsets using the above hubs (ie complete Stan's wheelsets such as the Crest, Arch, and Flow series)

Stan's NEO 15x100 6-bolt front hubs:

(not compatible with centre lock hubs)

  • (WB-17-5202)

  • Compatible Hubs:  Neo and Neo Ultimate hubs.

  • Compatible Wheels: Recent Stan's No Tubes-produced wheelsets using the above hubs (ie complete Stan's wheelsets such as the Crest MK3, Arch MK3, and Flow MK3 series)

Industry Nine Torch Classic 6-bolt front hubs:

(not compatible with centre lock hubs)

  • 6-bolt (WB-17-5204)

  • Compatible with 2013 and newer "Torch" 6-bolt mountain hubs

Hope Pro 2 / Pro 4 hubs:

  • WB-17-5207

  • Compatible with all Hope Pro 2 and Pro 4 mountain bike front hubs with 6-bolt disc mounts.

Chris King SD / LD hubs:

(not compatible with CK ISO B hubs)

  • WB-17-5206

  • Chris King SD & LD hubs, must have 15mm end caps.


Other compatibility info:

Better Boost adapter kits are not compatible with QR or 20mm hub shells, nor are they compatible with those featuring a Shimano Centerlock brake mount. Kits are not suitable for use with Rock Shox RS-1. 185mm max rotor size.


Converts 15x100mm hubs to 15x110mm Boost spacing.



Two endcaps, rotor spacer, and XL T25 rotor bolts


180 Classic MTB db CL white hub, 240s straightpull MTB db CL, 240s straightpull MTB db IS, 240s straightpull MTB db IS oversize, 240s Classic MTB db CL fifteen, 240s Classic MTB db IS, 240s Classic MTB db IS oversize, 350 straightpull MTB db CL, 350 straightpull MTB db IS, & 350 Classic MTB db CL

MRP Better Boost Stans Neo Adapter Kit
MRP Better Boost DT 240OS Adapter Kit
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