ABSOLUTE BLACK SRAM IX DIRECT MOUNT BOOST 3 MM 28T OVAL CHAI - Pro-M Store

Free shipping for orders over 49 € (UE Countries). Free shipping to Extra-Ue countries from 89 €

flag-eng.png
CORONA OVALE ABSOLUTE BLACK SRAM DIRECT MOUNT BOOST 3 MM 28T

ABSOLUTE BLACK SRAM IX DIRECT MOUNT BOOST 3 MM 28T OVAL CHAINRING

Cod. 57761601

from 56.21

74.94 € Save on 25 %

delivery with carrier dhl o gls

Free shipping for orders over 49 € (UE Countries). Free shipping to Extra-Ue countries from 89 €


ABSOLUTE BLACK SRAM IX DIRECT MOUNT BOOST 3 MM 28T OVAL CHAINRING

AbsoluteBLACK oval sprocket Sram DM BOOST TNM 28 teeth Offset 3mm grey.

ABSOLUTE BLACK SRAM IX DIRECT MOUNT BOOST 3 MM 28T OVAL CHAINRING MAIN FEATURES:

  • Finest design for an excellent weight/resistance ratio.
  • Unique special oval shape (patent pending).
  • Significantly improves traction and climbing ability.
  • Unique patent-pending alternating profile of wide and narrow teeth to hold the chain in place for at least 12 months.
  • Special 3D tooth machining for extreme mud reduction dramatically reduces wear and noise.
  • They save weight because they do not require spider and sprocket bolts.
  • Possibility of installing smaller rings that cannot be fitted on normal spiders.
  • Superlative quality and attractive look.
  • By using ovals you go faster. If you keep using the round rings, the others will go faster.
  • You don't 'feel' the oval shape at all.
  • Reduces stress on the knees.
  • Weight: 50 g.
  • Compatible with: SRAM AXS, XX1, XX1 Eagle, X01, X01 Eagle, GX Eagle, NX Eagle, SX Eagle, X1, X0, X9, X7, S2210, S1400, Descendant, Stylo, Truvativ AKA and all DUB cranks.Cane Creek eeWings.GXP, BB30, BOOST148. Also for SUPER BOOST bikes using the SRAM SB+ SUPER BOOST specific crank axle. Not compatible with Sram Flat Top chain.Material: Machined aluminium 7075 Txxx. Durable construction. Optimised for mud.Finish: Type II anodising.
  • Chain line: Specific BOOST148 52 mm chain line. Offset of 3 mm.
  • Ovalisation: Optimised for each dimension separately. Range: 10.2-14.4% and timing of 110.5-116.3° after top dead centre (TDC) Patent pending.

PLEASE NOTE: If you wish to check the frame clearance with the new oval ring, the measurements of the largest dimension of the oval (tooth tip to tooth tip) are as follows: 26T: 118 mm; 28T: 127 mm; 30T: 134 mm; 32T: 143 mm; 34T: 151 mm.

HOW TO MOUNT THE OVAL CHAINRING ON SRAM GXP, DUB AND BB30 CRANKS:

  1. It is necessary to unscrew the 3 t-25 torx bolts from the crank. Then remove the spider + chainring combination. Clean the splines and grease them. Position the chainring (note that there is only one way to mount this chainring on the Sram crank, so there is no need to worry about how to do it). Tighten all 3 bolts to approximately 5-7Nm.
    The oval (elliptical) chainring does not affect the work of the clutch mechanism in the rear derailleur. Furthermore, it does not require a chain tensioner when used in singlespeed. Pedalling out of the saddle when climbing will become more pleasant. These chainrings also help you recover from knee injuries, as pedalling becomes smoother and less tiring. It is the most advanced oval chainring currently on the market.
  2. The most advanced, patent pending, alternating profile of wide and narrow teeth currently produced guarantees at least 12 months of excellent chain retention capabilities! Let's be honest. Always use a new chain with a new chainring.

ITEM NUMBER

ISROVBOOST28TI

most popular

You may also be interested