Wilderness Trail Bikes Momentum Bottom Bracket

3.64/5 (11 Reviews)
MSRP : $60.00


Product Description

Wilderness Trail Bikes Momentum


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Reviews 1 - 11 (11 Reviews Total)

User Reviews

Overall Rating:5
Value Rating:5
Submitted by AARON a Weekend Warrior from AVONDALE,AZ

Date Reviewed: April 2, 2002

Strengths:    SIMPLE DESIGN,TOTALLY SERVICEABLE.ADJUSTABLE CHAINLINE.LOW COST.I HAD GOOD CUSTOMER SERVICE FROM WTB'S WARRANTY DEPT.GREASE GUARD IS REASONABLE EFFECTIVE.

Weaknesses:    ORIGINAL BEARINGS FAILED AFTER 1 YEAR.ON THE PLUS SIDE THE REPLACEMENTS FROM WTB ARE DOUBLE SEALED.

Bottom Line:   
HAS BEEN A VERY GOOD BOTTOM BRACKET FOR ME ASIDE FROM THE FIRST BEARINGS GOING BAD.THE REPLACEMENTS HAD A SEAL ON EACH SIDE OF THE BEARING.VERY EASY TO TAKE APART AND SERVICE

Expand full review >>

Favorite Trail:   PIMA&DYNAMITE

Duration Product Used:   More than 3 years

Price Paid:    $25.00

Purchased At:   CAMBRIA.COM

Similar Products Used:   SHIMANO

Bike Setup:   97 GT LTS-2,X-VERT SUPER,MAGURA HS-33'S,RACE FACE GOODIES

Overall Rating:2
Value Rating:3
Submitted by luke a Cross Country Rider from knoxville

Date Reviewed: January 28, 2002

Strengths:    inexpensive, easy install

Weaknesses:    Cheap, poor bearings, poor sealing

Bottom Line:   
CRAP. after under 2 years of moderately hard riding in perfectly dry (dusty) the bearings COMPLETELY siezed up on me. No amount of degreasing/lube/prayer is gonna fix these bearings. I always thought the greaseguard system was flaky, this proves it. Perhaps if the bearings were replaced with quality sealed units, rather than the half sealed bearings necessitated by the grease guard system, this BB would be worth it. But as is, I would have better spent my money on a UN-72.

Expand full review >>

Favorite Trail:   many

Duration Product Used:   2 Years

Price Paid:    $30.00

Purchased At:   cambria

Similar Products Used:   shimano, raceface

Bike Setup:   jamis dragon

Overall Rating:5
Value Rating:5
Submitted by Dave a Cross Country Rider from Washington

Date Reviewed: October 19, 2000

Bottom Line:   
The bottom bracket works. Grease bottom with cranks on. Smooth off extra grease with anything that will fit between crank and bottom bracket frame - grease packed in this area will protect bearings against water/dirt intrusion. If a quarter once or less of extra grease is a problem you ARE a weight weenie. Use locktight on the clean bolt threads when you install - torque to the correct tightness and forget. If you don't ride in wet Pacific N.W. type conditions you probably don't need this bottom bracket. Get a Race Face taperlock instead -- which is also a great bottom bracket.

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Duration Product Used:   1 Year


Overall Rating:5
Value Rating:5
Submitted by Luke from Knoxville,TN,USA

Date Reviewed: September 19, 2000

Strengths:    Smooth. Trouble free. Easy installation. Versatile applications. Simple design, adjustable chainline.

Weaknesses:    The Greaseguard system for the BB is somewhat useless

Bottom Line:   
I found that the BB, with the greaseguard system filled to the max with grease, will actually make the BB unnecessarily heavier. I'm not a gram counter, but there is a LOT of excess grease just sitting in the cups and spindle not making the BB any stronger or smoother, just heavier.
To remedy this, I just made sure to pack the bearings to 100% capacity with Finishline grease (The Best!) before the installation and leave they system empty.
So far this has worked well. The BB spins VERY smoothly, considerably less drag than a shimano BB.
Though the bearings are only sealed once, it has effectively kept out the dirt and grit.Though I could take advantage of the greaseguard system, I opted to just overhaul it.
This brings me to my next point. The entire BB is vey, very simnple. Just an axle,2 bearings,cups, spacer, and a couple of spacers. Pulling it apart is painless with a standard BB tool. But it is possible to stress the bearings in reassembly if you don't know what you are doing, leading to premature bearing wear. In this case, you can easily buy new cartridge bearings, even better ones from enduro or KYB as they are standard sized.
The chainline is adjustable as well. I never had to fiddle with it much, but it is usually reserved for BBs twice this much.
I reccomend this BB to everyone as it is stiff, reasonably light, and carefree. There is nothing particualrly special about it, but for the 25 or so dollars people are buying these at cambria for, they are a great improvment over generic shimano stock.

Expand full review >>

Favorite Trail:   Lock4

Duration Product Used:   6 months

Price Paid:    $28.00

Purchased At:   Cambria

Similar Products Used:   Shimano XT/LX. Raceface taperlock, Real

Bike Setup:   99 Jamis Dragon

Overall Rating:3
Value Rating:4
Submitted by ben a Cross Country Rider from maryland

Date Reviewed: August 4, 2000

Strengths:    damn light for $20, 118mm fits my cranks, i like wtb's other stuff

Weaknesses:    dammit their grease gun is like $25, strange noises

Bottom Line:   
seemed like a good deal ($20 @ cambria), 118mm spindles are hard to find, but i like my purple dogbones, so i got this BB. about 4 months later, it starts creaking- checked the shell, bearings and threads were both teflon-taped. removed and retorqued cranks- still creaks like hell, i dunno if its the BB or the wonderfully strong alloy that CBR uses for their unreliable artworks. hopefully won't have to use the same method i used on my cook BB (washers between spindle collar & crankarm so i could really torque on the crank without it sliding of the taper, and also to hold the spindle in place).

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Duration Product Used:   6 months

Similar Products Used:   cook bros. collar (POS), crappy shimano

Bike Setup:   DBR XR-8, cook bros. RS cranks, Real 7075 rings

Overall Rating:3
Value Rating:4
Submitted by R L a Cross Country Rider from Grand Junction

Date Reviewed: July 7, 2000

Strengths:    very smooth & easy to grease

Weaknesses:    lack of durability, after only about 800 miles of riding on this BB the bearings have developed play. This after regular once a week greasing.

Bottom Line:   
It's crap. 3 months of riding (about 800 miles) and the bearings are shot! Shimano & Race Face BB's lasted at least a year before requiring replacment (acceptable duration). They were on sale at Cambria for $30, so it's no great lose, but i expect more from the WTB brand.

Expand full review >>

Favorite Trail:   Ribbon

Duration Product Used:   3 months

Similar Products Used:   Shimano, Race Face, TNT

Bike Setup:   Schwinn Carbon URT

Overall Rating:4
Value Rating:5
Submitted by goo a Weekend Warrior from TN

Date Reviewed: June 17, 2000

Strengths:    relatively light, smooth bearings, cheap

Weaknesses:    Greaseguard system doesnt seem....effective? the manner in wich the grease passes by the bearings doesnt purge out much old stuff, but better than nothing I suppose

Bottom Line:   
Good, high quality, smooth BB period. a good improvement over the middle line shimano stuff.

Expand full review >>

Duration Product Used:   3 months

Similar Products Used:   shimano un 51-72


Overall Rating:1
Value Rating:1
Submitted by Dr. Wong a Cross Country Rider from New Hudson

Date Reviewed: March 14, 2000

Strengths:    Smooth

Weaknesses:    Bolts loosen, creaky, difficult instalation and adjustment.

Bottom Line:   
After 5 years of faithfull service form my UN72 BB, it blew up. I replaced it with the WTB product for their legendary quality and dependability. NOT!!

It creaked no matter how much anti sieze, grease, teflon tape or whatever was applied to the cups. The wonderfull grease guard bolts refused to stay tight for even half a ride.

Switched back to a good old UN72, no more problems.

Expand full review >>

Favorite Trail:   Holdridge Lakes

Duration Product Used:   Less than 1 month

Similar Products Used:   un72, before and after

Bike Setup:   XT, XTR mix!

Overall Rating:4
Submitted by World B Free a Cross-Country Rider from Santa Cruz

Date Reviewed: July 23, 1999

Strengths:    
see below


Bottom Line:   
One response to the first review.. You dont necessarily need to inject grease with the arms on.. What I do is take the arms off, and put just the hollow bolts back into the axle, then inject the grease.. When the old stuff comes out, its much easier to wipe off with the arms off. Although a Q-tip with a little degreaser works ok in a pinch.

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Duration Product Used:   
6 months


Overall Rating:4
Submitted by World B Free a Cross-Country Rider from Santa Cruz

Date Reviewed: June 2, 1999

Bottom Line:   
Great, inexpensive BB. You can definitely feel the difference over the cheap LX (or worse) BBs manufacturers often spec. I'll agree with the other review that the greaseguard can be messy, but for ease of maintenence and longevity, I think its a reasonable tradeoff

Expand full review >>

Duration Product Used:   
3 months


Overall Rating:4
Submitted by Jim a Racer from Ohio

Date Reviewed: March 19, 1999

Bottom Line:   
Great Bottom Bracket. I love the Grease Guard. The only problem is you have to grease them with the crank arms on, so it gets pretty messy. Plus the grease must work it's way between the spindle and the crankarm because I have to tighten the crank bolts every couple of weeks or so.

Expand full review >>

Duration Product Used:   
6 months


Reviews 1 - 11 (11 Reviews Total)

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