【Title MTB】 CR1 Crank Spindle A Choice of Your Own Uncategorized

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CR1 Crank Spindle

$25.45 USD $25.45
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  • Warranty Period: This product comes with a 12-month standard warranty.
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Features

Specifications
Product Specifications Value

Product Name

 CR1 Crank Spindle
Model Number 9444032381174
Age Range 5+
Shipping Free shipping
Delivery Time 1–5 days

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Our CR1 cranks are designed to be compatible across different platforms, from dirt jumpers to downhill bikes. Choose the width for your application and install them on your CR1 crank arms with ease.

WHICH SPINDLE DO I NEED?

Choosing the correct spindle depends on your bike's frame and drivetrain setup. But as a general rule of thumb, compatibility is as follows:

  • 130mm Spindle – Dirt Jump and Boost bikes
  • 136mm Spindle – Most modern Trail and Enduro bikes with DUB Boost wide spacing
  • 145mm Spindle – Downhill bikes

If you're unsure which spindle is right for you, check your bike manufacturer's website for your specific bike's sizing and spacing or check out our compatibility chart.

CR1 SPINDLES ARE MEANT FOR SRAM DUB BOTTOM BRACKETS ONLY

SPECIFICATIONS

  • 29mm crank spindle diameter (compatible only with SRAM DUB bottom bracket)
  • Machined from 7075 T6 aluminum
  • high polish black anodized 

Axle Selection & Frame Compatibility:

Select your axle width based on your frame's rear hub spacing, drivetrain standard, and required stay clearance. All widths are engineered to the same high-strength standard for everything from DJ to DH.

130mm

Chainline: 52mm
Q-Factor: 168.5mm
Arm Clearance: 70.25mm

Frame Fitment: Dirt Jump, XC, and Trail frames with 135mm, 142mm, or 148mm Boost spacing.
Standards: Matches SRAM Eagle Boost (52mm) and Shimano M9100 / M8100 / M7100.
Technical Note: Optimized for riders seeking the narrowest stance (Q-factor) on bikes with standard chainstay profiles.

136mm

Chainline: 55mm
Q-Factor: 174.5mm
Arm Clearance: 73.25mm

Frame Fitment: Modern 29er Trail and Enduro frames with high tire clearance and wide stays.
Standards: Matches SRAM Transmission (T-Type), SRAM DUB Wide, and Shimano M9120 / M8120 / M7120.
Technical Note: Required for SRAM T-Type systems. Provides +3mm lateral arm clearance per side to clear flared or oversized chainstays.

145mm

Chainline: 56.5mm
Q-Factor: 183.5mm
Arm Clearance: 77.75mm

Frame Fitment: Downhill (DH) and Super Boost+ frames.
Standards: Matches SRAM DUB DH, SRAM SB+(Super Boost), and Shimano M9130 / M8130.
Technical Note: Designed for 157mm rear spacing. Requires a 6mm offset chainring to maintain the 56.5mm chainline. Maximum clearance for reinforced gravity frames.

WEIGHTS:

130mm spindle = 104g
136mm spindle = 107g
145mm spindle = 113g

Brand:
Title MTB
SKU:
661317992152
Tags:
Shopify Collective, Title MTB
Length:
130mm, 136mm, 145mm

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