Hope Bottom Bracket - Stainless Steel Bearing

Advantages: Cheap
Disadvantages: Breaks easily

...I have had three or four of these because they were cheap, it turned out that in the long run it was cheaper to save up and buy a decent bottom bracket. Everyone of these that I bought broke in under a month, the same two faults occured each time. 1) Mud and grit easily get past the seals and wear out the bearings causing them to cease or rattle. 2) The ends of the tapered arms round off very easily, even during light XC and commuting use I have rounded them off. Steer clear and buy a decent bottom bracket, or even better get the new external type, or if your into jumping and DH get some 3piece cranks.... Read review

Ciao members have rated this review on average somewhat helpful

Advantages: Virutally indestructable
Disadvantages: None

...Before I go and review a bottom bracket, it might be worthwhile if I explained to everyone what exactly a bottom bracket is. Let's start at the pedals. The pedals are attached to the cranks, the cranks are then attached to a spindle that goes through the bike frame. This spindle and the bearings that surround it form the bottom bracket. As you may have guessed, it's not a very exciting thing to write about, so my apologies in advance for a very dull opinion. There's two times that anyone is likely to come into contact with a bottom bracket, if you're building up your bike from parts, or if there's a nasty grindy noise when you pedal and you need a new bottom bracket. In this case, many people will take their bike to a shop to get it looked at as although changing a bottom bracket is easy enough, it requires a few specialised... Read review

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Advantages: Light, Strong, twice as strong as competitors, isis
Disadvantages: non

...The Evolve Series of Bottom Bracket from Race Face Have an amazing Spec for the Price, There Retailing at Around £45 for something that is twice as strong as the competitors. When I say Twice as strong this is because the The whole case has been shot penned to harden it and There are two sets of bearings in the drive side of the bottom bracket to allow for great strain to be put on it, as your drive side takes the power to the chain. Plus a few other tricks to make it the strongest BB on the Market. This makes it ideal for trials as the bash ring, when used pushes a lot of force onto the drive side arm of the bottom bracket, causing pits in bearings in most BB. Race face have gone a step further though as the bearing have been bought in and disassembled and the grease replaced with there own mix that is said to increase the life... Read review

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