Our site shows LIVE INVENTORY. If you can ADD TO CART, the item is IN STOCK.

727-545-1580
WED 10AM - 06PM
Promax CK-1 Direct Mount Spider-4 Bolt 104BCD-Black - 1
Promax CK-1 Direct Mount Spider-4 Bolt 104BCD-Black - 2

Promax CK-1 Direct Mount Spider-4 Bolt 104BCD-Black

Promax
Sold Out

About This Product: Promax CK-1 Direct Mount Spider-4 Bolt 104BCD-Black

The Promax CK-1 Direct Mount Spider-4 Bolt 104BCD-Black is a specialized aluminum crank spider designed exclusively for use with Promax CK-1 carbon cranks. Its high-quality aluminum construction strikes a perfect balance between strength and weight savings. This lightweight yet durable component facilitates the use of 104 BCD chainrings with CK-1 carbon cranks. The Promax CK-1 Direct Mount Spider uses SRAM's 3-bolt mounting system for a secure connection (bolts sold separately). Please note this spider adapter is not compatible with Promax HF-3 cranks.

SPECIFICATIONS

  • High quality aluminum provides high strength at a low weight
  • Specifically designed for use with Promax CK-1 carbon cranksets
  • Utilizes SRAM's 3-bolt mount style to attach to crankarm (bolts sold separately. SKU number CK2203 recommended)
  • NOT compatible with Promax HF-3 cranks
  • For 4-bolt 104 BCD chainrings 

Crank Size Chart

Crank Size Chart
Inseam length Crank Length
Crank Size: Micro, Mini. Junior
Inseam length: 15 - 16 inch Crank length: 130 mm
Inseam length: 16 - 17.5 inch Crank length: 135 mm
Inseam length: 17.5 - 19 inch Crank length: 140 mm
Inseam length: 19 - 20 inch Crank length: 145 mm
Inseam length: 20 - 22 inch Crank length: 150 mm
Crank Size: Junior, Expert, Expert XL
Inseam length: 20 - 22 inch Crank length: 150 mm
Inseam length: 22 - 23 inch Crank length: 155 mm
Inseam length: 23 - 25 inch Crank length: 160 mm
Inseam length: 25 - 26 inch Crank length: 165 mm
Crank Size: Pro and Larger
Inseam length: 26 - 27 inch Crank length: 170 mm
Inseam length: 27 - 28 inch Crank length: 175 mm
Inseam length: 28 - 30 inch Crank length: 177.5 mm
Inseam length: 30 - 31 inch Crank length: 180 mm
Inseam length: 31 - 32 inch Crank length: 185 mm
Inseam length: 33+ inch Crank length: 190 mm

How To Measure Your Inseam

  1. Start with a pair of pants you already have that fit you well and lay them flat on the floor.
  2. Carefully measure the length from the crotch seam to the bottom of the leg.
  3. THIS NUMBER IS YOUR INSEAM. Use this number to help you choose your cranks.