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Description
Praxis - 68Mm Gxp Conv Bb30/Pf30 BlackSRAM GXP ISIS2 Converter The Praxis Works SRAM bottom bracket converter GXP ISIS 2 is designed to be a proper bottom bracket BB for installing SRAM GXP ISIS2 cranks in either BB30, PF30, or Specializeds OSBB road frames. Our patent pending design keeps the cartridge bearings outboard of the frame right on SRAM spec for greater rigidity and free of frame c clip tolerance issues that other conversion bb systems deal with. Simply press in the longer non
SRAM GXP/ISIS2 Converter
The Praxis Works SRAM bottom bracket converter GXP/ISIS 2 is designed to be a proper bottom bracket BB for installing SRAM GXP/ISIS2 cranks in either BB30, PF30, or Specialized’s OSBB road frames. Our patent-pending design keeps the cartridge bearings outboard of the frame right on SRAM spec for greater rigidity and free of frame/c-clip tolerance issues that other conversion bb systems deal with.
Simply press in the longer non-drive cup, and then the shorter drive cup threads into it. As the drive cup threads in, our trademark Collet system expands to a precise limit evenly dispersing pressure for a super tight fit. With both cups connected and our collet set exactly to spec, there is no chance the bearings can come out of alignment or wiggle/walk out of the frame. This design also uses a compressible o-ring on the non-drive side cup to compensate for frame shell width discrepancies.
• For SRAM GXP/ISIS2 cranks.The Praxis Works SRAM bottom bracket converter GXP/ISIS 2 is designed to be a proper bottom bracket BB for installing SRAM GXP/ISIS2 cranks in either BB30, PF30, or Specialized’s OSBB road frames. Our patent-pending design keeps the cartridge bearings outboard of the frame right on SRAM spec for greater rigidity and free of frame/c-clip tolerance issues that other conversion bb systems deal with.
Simply press in the longer non-drive cup, and then the shorter drive cup threads into it. As the drive cup threads in, our trademark Collet system expands to a precise limit evenly dispersing pressure for a super tight fit. With both cups connected and our collet set exactly to spec, there is no chance the bearings can come out of alignment or wiggle/walk out of the frame. This design also uses a compressible o-ring on the non-drive side cup to compensate for frame shell width discrepancies.
• Also for Oval Concepts 400/500/700 series GXP cranks.
• Forged & machined heat-treated 7075 T6 Aluminium.
• Steel cartridge radial bearings.
• 68mm Road version / 73mm MTB Version.
• For BB30, PF30, and Specialized Road OSBB.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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
4.5 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Good on skin
Great skin product
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Reviewed in the United States on March 5, 2026
★★★★★ 4
Pros and cons
Pros: smooth and hydrating
Cons: slightly oily. Some kind of scent would be nice
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Reviewed in the United States on July 29, 2025
★★★★★ 5
Favorite
Invisible sunscreen and the brightening really helps too. Can be glossy, but if you let it absorb into the skin for 30 mins and the blot some of it off it can help with the glossy ness
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Reviewed in the United States on December 20, 2025
★★★★★ 5
Great Sunscreen
Perfect sunscreen and primer. I love how it feels on my skin. It doesn’t clog my pores. Great product.
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Reviewed in the United States on June 11, 2025
★★★★★ 2
A greasy mess
SUPER greasy. I have dry skin and it was incredibly greasy for me. It didn’t dry down at all and felt like it sat/slid around on my face.
Obviously goes on clear since it’s a chemical sunscreen. Vaseline gel-like texture in your hand and applies like a silicone barrier. That part makes a little sense since I think dimethicone is high on the ingredient list. Unscented and didn’t test under makeup. I wouldn’t recommend this to anyone and I don’t think I’d try it again, which is disappointing cause I was hopeful with this one after reading reviews!
The glowing reviews versus my experience makes me think folks aren’t applying enough SPF to get adequate sun protection. I’m a skincare girlie so it’s always a half teaspoon for this face.
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Reviewed in the United States on October 25, 2025