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FSA Gravity Light Crankset

2.6/5 (10 Reviews)

Product Description


New for 2008, now available in 68/73mm and 83mm MegaExo BB.

Hollow Forged crankarms result in superior strength and stiffness and a higher strength-to-weight ratio compared to solid arms. We offer a range of Hollow Forged cranksets from road to XC to heavy-duty Gravity products.

  • Hollow-forged AL6061/T6 crankarms
  • CrMo pedal inserts
  • CrMo chainring bolts
  • With MegaExo BB
  • Single row cartridge BB bearings
  • 24mm integrated CrMo spindle
  • Alloy external bearing cups
  • Compatible with 68/73mm or 83mm BB shells
  • Lengths: 165, 170, 175mm
  • BCD: 104/64mm
  • Chainrings: 22/32/Bash, 22/32/44T
  • Q-Factor: 169mm
  • Chainline: 50mm (68mm BB shell) 57.5mm (83mm BB shell)
  • Translucent polycarbonate bashguard
  • Black anodized
  • Weight: 950g – with BB

  • Review Options:  Sorted by Latest Review | Sort by Best Rating

    Reviews 1 - 10 (10 Reviews Total)

    User Reviews

    Overall Rating:2
    Value Rating:2
    Submitted by dthomp325

    Date Reviewed: August 10, 2013

    Strengths:    Cheap, light

    Weaknesses:    Weak

    Bottom Line:   
    I got 1.5 rides out of this crank. Hit a rock with my pedal and the crank bent. I have had literarily hundreds of rock strikes on the XT crank mounted to my trail bike without any problems, so I was disappointed when this 'gravity' crank failed after one hit. I expect parts labeled for gravity to be heavier duty than standard trail/xc gear. I ended up replacing this crank with a RaceFace Chester, which is similarly priced, and looks to be much, much higher quality.

    Overall Rating:1
    Value Rating:3
    Submitted by krazykyless a Downhiller from golden colorado united states

    Date Reviewed: February 25, 2011

    Strengths:    Its light

    Weaknesses:    Every thing else its weak and slow spinning

    Bottom Line:   
    I bought them about a week ago to cut wait and only use the 32 ring and am not impressed at all. I rode it on my street it was really stiff and smooth but the first day on a trail it bent so bad it was rubbing my swing arm. i didn't crash or smack into a tree i hit the petal with a very small rock. if i had read this review a week ago i would have still got it but for any one wondering DON'T GET THEM. it was not worth the headache and not worth it for you either just get some saints or any thing but these.

    Expand full review >>

    Favorite Trail:   enchanted forest

    Duration Product Used:   Less than 1 month

    Price Paid:    $200.00

    Purchased At:   petal pushers cycler

    Similar Products Used:   saints

    Bike Setup:   2007 rocky mountain rmx with 888 and dhx 5.0 azonic outlaws and gravity light cranks(not any more)

    Overall Rating:1
    Value Rating:3
    Submitted by spankyray a Downhiller from OR, USA

    Date Reviewed: March 12, 2010

    Strengths:    Light crankset, fairly laterally stiff.Smooth. FSA makes sweet stuff.

    Weaknesses:    Unfortunatly the crank bent after a pretty common wreck,never experienced this with any other crank. it was so bent it was banging the swingarm.

    Bottom Line:   
    Good crank for all mountain, not strong enough for the punishment of dh or freeride.

    Expand full review >>

    Favorite Trail:   Sicter Gnar

    Duration Product Used:   Less than 1 month

    Price Paid:    $150.00

    Purchased At:   friend

    Similar Products Used:   Saint,SLX,race face dh,chromoly 3 peice

    Bike Setup:   scott high octaine, dh race set up

    Overall Rating:1
    Value Rating:1
    Submitted by karolicki a Downhiller from Costa Rica

    Date Reviewed: February 4, 2009

    Strengths:    look and weight

    Weaknesses:    it bend easy very easy i weight only 60kg and i bend this crankset

    Bottom Line:   
    the worst crankset that i have a shimano slx is stronger than the gravity

    Expand full review >>

    Favorite Trail:   ghost trial

    Duration Product Used:   Less than 1 month

    Price Paid:    $300.00

    Purchased At:   K-bikes

    Similar Products Used:   race face diabolus

    Bike Setup:   chumba f5 formula the ones marzocchi 888 rc3 wc

    Overall Rating:1
    Value Rating:1
    Submitted by Betsie a Downhiller from UK

    Date Reviewed: January 22, 2009

    Strengths:    Light.

    Weaknesses:    They bend so so easy.
    They mark easy.
    The pedal threads and washer are poor.

    Bottom Line:   
    I bought these as a race crank, after using XTR (760) on my Vp and 224 for years with no issue I was dissapointed when I hit a small rock and these bent.
    If you are spending your own money, do not get these, get the new Saints (now made of the same material as XTR).
    An expensive 4 weeks of riding!

    Expand full review >>

    Favorite Trail:   Anything that points down.

    Duration Product Used:   Less than 1 month

    Price Paid:    $220.00

    Purchased At:   UK

    Similar Products Used:   Diabolus, Saint, XT, XTR, ATLAS.

    Bike Setup:   IH Sunday (Dhx air or coil), Boxxer WC, Easton Carbon DH, Large Bullmoose Stem, Juicy Carbon Brakes, Thompson/SLR, Hope/721's, LG1, XTR shift, XT Shadow rear.

    Overall Rating:4
    Value Rating:5
    Submitted by Doc D a Weekend Warrior from Chicago, IL

    Date Reviewed: December 30, 2008

    Strengths:    Nice looking, reasonably light, reasonably stiff.

    Weaknesses:    Nothing yet.

    Bottom Line:   
    I bought these off ebay $135 new, for the price I am very pleased. I ride mostly cross country so this crankset is a little overkill, but I like the look and I like the feel.

    Expand full review >>

    Favorite Trail:   Palos

    Duration Product Used:   6 months

    Price Paid:    $135.00

    Purchased At:   Ebay, new

    Similar Products Used:   Haven't really tried anything in this class of crankset.

    Bike Setup:   Cannondale Prophet 5, nothing out of the ordinary, cranks were the first to get upgraded.

    Overall Rating:5
    Value Rating:5
    Submitted by Goliath_2 a Downhiller from Washington, USA

    Date Reviewed: September 28, 2008

    Strengths:    Very light, good aesthetics, plenty stiff.

    Weaknesses:    None I've noticed

    Bottom Line:   
    Great crankset: cool removable inner chainring spider, smooth BB, and a great price. Just to clear-up some misconceptions - the GLight is a gravity racing crank. It's not a big surprise if you bend the arm during a major crash. Some durability is a logical trade-off for a lighter, more race oriented component.

    Expand full review >>

    Favorite Trail:   anything loose, loamy and steep

    Duration Product Used:   6 months

    Price Paid:    $250.00

    Purchased At:   LBS

    Similar Products Used:   XT, XTR, Race Face Diablous, FSA Gap,

    Bike Setup:   DH

    Overall Rating:5
    Value Rating:5
    Submitted by TLL a Weekend Warrior from marin

    Date Reviewed: July 25, 2008

    Strengths:    Strong, lightweight, easy to set up. Stiff. Nice looking.

    Weaknesses:    The black paint scratches?

    Bottom Line:   
    Great set of cranks. I have been running XT'x and XTR's for years, but have had good luck with Gravity gear. I could not be more please with this set of cranks. the bearing preload was easy to set, and the cranks spin well. I ride flats and mash my pedals, and the cranks are holding up very well. You can even buy replacement bearings and the bearing tool off the FSA website for the Megaexo BB.

    Expand full review >>

    Favorite Trail:   Hitler

    Duration Product Used:   6 months

    Purchased At:   Mountain High Cycler

    Similar Products Used:   XT, XTR, Middleburn

    Bike Setup:   Turner RFX

    Overall Rating:1
    Value Rating:1
    Submitted by Brad a Weekend Warrior from Vic, Australia

    Date Reviewed: February 29, 2008

    Strengths:    Look sweet.

    Weaknesses:    Not strong.

    Bottom Line:   
    Totally shocked that these cranks bent. I crashed on a slightly downhill section of trail, no rocks to be seen and the cranks bent heavily. Not sure what they hit, ripped my leg open but you'd think my leg would break before they'd bend? Think they just hit dirt as the bike tumbled, can't believe that would be enough to wreck them like they are. Maybe I got a lemon? Guess I've got to go heavy next time.

    Expand full review >>

    Duration Product Used:   Less than 1 month

    Similar Products Used:   Truvativ Hussafelt & Holzfeller, Race Face Prodigy DH & Diablous

    Bike Setup:   2008 Norco Six 1 stock

    Overall Rating:5
    Value Rating:5
    Submitted by Lloyd a Downhiller from Cebu, Philippines (currently in Shanghai, China)

    Date Reviewed: February 24, 2008

    Strengths:    Light in weight, light on the pocket and heavy/strong in performance.

    Weaknesses:    None so far.

    Bottom Line:   
    FSA Gravity Light crankset will beat any DH/FR crankset in its price range. It is strong ang definitely a bung for every buck. I'm very satisfied w/ it.

    Expand full review >>

    Duration Product Used:   1 Year

    Similar Products Used:   Truvative Holzfeller, Shimano Hone, Shimano LX and Shimano Deore...

    Bike Setup:   Mosso (SS HT rig), Manitou Sherman Firefly (90/130 mm travel and 20mm tru axle), Sun rims Ditch Witch, Maxxis Holy Roller (26 x 2.4), FSA Gravity Light crankset, DaBomb Boy saddle, Race Face seatpost, Hayes 9 Carbon w/ 8" rotors (front and rear) hydro disc brake system, TX Quando tru axle 20mm front hub, Shimano Deore 525 rear hub, Dabomb 9 to 1 converter, Dabomb RL-3 chain tensioner, Shimano M424 pedals, 31.8 DH/FR stem and handle bar...

    Reviews 1 - 10 (10 Reviews Total)

    Review Options:  Sorted by Latest Review | Sort by Best Rating