naxbattle.blogg.se - Installing cable guide bottom bracket

M12 or 1/2' studbar and nuts is acceptable, a press makes the job easier.

The fitting tools that come with Hambini BB's are designed to be used with M12 studbar or presses.Bottom Bracket hole needs to be free of obstructions, usual obstructions are Di2 wires and bolts holding cable guides.They are designed in this way to maintain an accurate chainline that is within manufacturer (Shimano, SRAM etc) tolerances. Please note Hambini GXP Bottom Brackets ARE NOT SUPPLIED WITH A WAVE WASHER Installation Video The video below shows you how to install a Hambini Bottom Bracket, there are some subtle differences between each bottom bracket depending on the application but the overall principle remains the same Pre-Requisites All Hambini Bottom Brackets press in from the drive side (chain side) of the bike frame. The second method functions like most standard bottom bracket/crankset combinations, both bearings are restrained in one direction, preload is by means of a wave washer. This does require more frequent maintenance as the preload shims have to be adjusted as the bearing clearance increases. The first does not use a wave washer and is the preferred method used by a number of racing teams. Two methods of installing a Hambini BB in GXP systems are shown below. Overtightening will destroy the bearings. The crankset should be installed so there is just enough tightness on the crank axle bolt to prevent any play. To allow for the floating nature, Hambini BB's require preload to be adjusted by shimming. SRAM used a fixed Non drive End bearing to avoid a Shimano patent infrignement. SRAM GXP - Hambini BB's use a two bearing floating system as opposed to the OEM SRAM system of having the non drive side bearing fixed.It is impossible for this guide to cover every incarnation of BB30 and BB30 extended as there are many variations in the marketplace. You may need some BB30 shims to take up any free play.

Hambini BB30 extended BB's ARE NOT SUPPLIED WITH SHIMS. If your axle length is shorter than this, it will not work.

BB30 Extended / BB386 - Hambini BB's place the bearings at a nominal 90mm spacing.

Shimano - no issues, all hambini BB's are a direct drop in for Shimano Hollowtech 2 systems.

If you have any questions, please e-mail me and I will be on hand to answer any questions. I recommend you familiarize yourself with both before purchasing a Hambini Bottom Bracket. It supplements a video guide which is available below.

Introduction This guide takes you through the fitting process of a Hambini Bottom Bracket. Later, I’ll cover the specifics of how to install the corresponding crankset for this bottom bracket. If you loosened up that bottom bracket cable guide bolt don’t forget to thread it back in.