American Classic’s ISIS bottom bracket is light because of the unique split ring design (patent applied). The new and improved
split ring and cups support the bearings
and keep them in place. The steel bottom bracket axle is designed to distribute the stress loads applied when riding. Replaceable stainless steel bearings are standard.
Also available with chrome steel bearings by special order for OE use only. Smooth ride feel. A proven design.
WEIGHT 108mm 140 gr 113mm (68mm/73mm) 153 gr 118mm (68mm/73mm) 157 gr BEARINGS 6804 Modified Stainless Steel TOOLS NEEDED Truvativ X-Tool or Park BBT-8, Torque Wrench
TORQUE SPEC 25-30 Foot Pounds each side. 15mm Steel Crank Bolts are not included
Submitted by
funnytanlines
a Cross Country Rider
from philippines Date Reviewed: December 3, 2008
Duration Product Used:
6 months
Price Paid:
$50.00
Strengths:
light weight (around 145g for road, 160g for mtb)
Weaknesses:
none yet. possibly breaings in the future but so far so good.
Similar Products Used:
truvativ sl, truvativ gigapipe, fsa ultimax
Bike Setup:
mtb: single speed, using truvativ firex crank
road: fsa carbon caompact crank + ultegra/dura ace
Bottom Line:
got it for the weight savings. the amclass isis bb is 50-100g lighter then most other isis bb's. my road set up weighs less then most higher end cranksets with integrated bb's at half the cost.
Value Rating:Overall Rating:
Submitted by
kester stancer
a Weekend Warrior
from sheffield uk Date Reviewed: March 26, 2007
Favorite Trail:
green drive
Duration Product Used:
6 months
Price Paid:
$100.00
Purchased At:
super cycles
Strengths:
light weight
Weaknesses:
very noisy
Similar Products Used:
fsa platinum ti
Bike Setup:
haro ex1,am3,xtr,magura,fsa
Bottom Line:
this bb might be light but the cups creaked,the axel/crank interface was too tight,the bearings were so notchy you could actually count the number of bearings by feel! absolutely awful.then after about 6 months,the bearings came off whilst fitting.went straight in bin.most expensive truvative bb tool ever(came supplied with bb)
Value Rating:Overall Rating:
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