Absolute Black OVAL sram BOOST148 traction ring N/W
SKU : SROVBOOST28RD
on $149+ orders
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These premium 1X Sram Direct mount BOOST148 compatible Oval chainrings are designed for GXP® and Long BB30 spindle cranks. Chainring is dedicated for Boost148 bikes ONLY. Converts a regular Sram crank into a Boost specific setup.
This oval chainring with 3mm offset converts any Sram crank into Boost148 specific setup needed in Boost equipped bikes. Boost and non-Boost Sram cranks are identical. All the offset is achieved by the chainring itself, so you can use any Sram crank for this conversion. Our regular GXP OVAL chainrings have 6mm offset whereas this one has 3mm, but both chainrings look very similar.
- Advantages of our special Direct mount chainrings:
- Finest design to provide excellent weight to strength ratio
- One of a kind special oval shape (Patent Pending)
- Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!
- They save weight because they don't need the spider and chainring bolts.
- The ability of installation of a smaller ring sizes that can't be mounted on regular spider.
- Superb quality and great look.
- You will ride faster using ovals. If you keep using round ring then others will get quicker.
- You will not "feel" the oval shape at all
- Reduces stress on knees
Size (Mass +/-1g): 28T (50g), 30T (55g), 32T (59g), 34T(66g)
Color: Black, Red
Compatibility: SRAM XX1, XX1 Eagle, X01, X01 Eagle X1, X0, X9, X7, S2210, S1400 and Truvativ AKA cranks. GXP® and Long spindle BB30. BOOST148 bikes ONLY. 9-10-11-12spd
Material: cnc machined 7075 Txxx Aluminum. Long-lasting construction. Mud optimized
Finish: type II anodizing
Chainline: 52mm BOOST148 specific chainline
Ovality: Optimized to each size separately.
Range: Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent Pending
Designed in UK. Manufactured in Poland (EU).
absoluteBLACK warranties its products, when used under normal non-abusive conditions, to be free from defects in materials or workmanship for a period of 1 year from the original date of purchase. Any absoluteBLACK product that is found by absoluteBLACK to be defective in materials or workmanship will be repaired or replaced at the sole discretion of absoluteBLACK. (for HOLLOWcage please refer to the next question).
This warranty is expressly limited to the repair or replacement of a defective item, and said repair or replacement is the sole remedy of the warranty. This warranty extends from the date of purchase, is offered only to the original retail purchaser, and is not transferable. This warranty does not cover damage or failure resulting from accident, misuse, abuse, alteration, neglect, normal and reasonable wear & tear (chainrings are wear items), crash or impact, failure to perform routine maintenance as instructed, or use other than that for which the product was intended. It also does not cover fading or wearing of anodizing. In no event shall absoluteBLACK be liable for any loss inconvenience or damage, whether direct, incidental, consequential or otherwise resulting from breach of any express or implied warranty or condition of merchantability, fitness for a particular purpose, or otherwise with respect to this product except as set forth herein. Under no circumstance shall absoluteBLACK or its third party suppliers be liable for any direct, indirect, incidental, special, consequential or any other kind of damages. This written express warranty is in lieu of all other warranties, implied or expressed, and does not cover any representation or warranty made by dealers beyond the provisions of this warranty.
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This is a size chart.
Geometry of this bike.
Horizontal measurement taken from the middle of the bottom backet to the middle of the headtube.
Vertical measurement taken from the middle of the bottom bracket to the middle of the headtube.
Effective Top Tube
Horizontal measurement taken from the middle of the seatube to the middle of the headtube.
Actual Top Tube
True length of the top tube taken from the seatube along the toptup to the headtube.
Vertical measurement taken from the ground to the the middle of toptube.
Seat Tube Angle
Angle of the seatube.
Seat Tube Length
Lenght of the seat tube taken from the bottom bracket to the top of the seat tube (the measure is taken alongside the seat tube)
Angle of the headtube.
Vertical lenght of the headtube.
Horizontal measurement taken from rear axle to the bottom bracket.
Horizontal measurement between the two wheel axles.
Vertical measurement taken from the ground to the bottom bracket (Never taken at sag).
Vertical measurement between the height of the axles and the height of the bottom bracket.
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