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SHIMANO HOLLOWTECH II CONVERTER
THE PRAXIS WORKS SHIMANO HOLLOWTECH II BOTTOM BRACKET CONVERTER IS DESIGNED TO BE A PROPER BOTTOM BRACKET BB FOR INSTALLING SHIMANO HOLLOWTECH II 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 SHIMANO 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, 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.
TECHNOLOGY
• PATENT PENDING OUTBOARD BEARING DESIGN.
• “COLLET” STYLE NON-DRIVE CUP EXPANSION FOR WIGGLE-FREE PRESS.
• NON-DRIVE O-RING COMPENSATES FOR FRAME WIDTH DISCREPANCIES.
VIP NOTES
• NOT FOR BBRIGHT OR BB386EVO FRAMES.
• 68MM CANNOT BE USED FOR MTB CRANKS.
• MTB GUIDES - ISCG05 GOOD, ST MOUNTED GOOD, ISCG03 NOT GOOD.
SPECIFICATION
• FOR SHIMANO HOLLOWTECH II 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.
Transition Cycles Limited is a company registered in England & Wales with company number 06566083.
Registered office: 15 Grove Place, BEDFORD, MK40 3JJ. VAT number: 933 3985 95.
Transition Cycles Limited acts as a credit broker and only offers credit products from Secure Trust Bank Plc. trading as V12 Retail Finance. Transition Cycles Limited is authorised and regulated by the Financial Conduct Authority. Our registration number is 793340. Credit provided subject to age and status.
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