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CHAIN RINGS
Black
Silver
Red
Blue
List
91-5179 34 91-5171 34 91-5172 34 91-5173 34 $24.99
91-5179 35 91-5171 35 91-5172 35 91-5173 35 24.99
91-5179 36 91-5171 36 91-5172 36 91-5173 36 24.99
91-5179 37 91-5171 37 91-5172 37 91-5173 37 24.99
91-5179 38 91-5171 38 91-5172 38 91-5173 38 24.99
91-5179 39 91-5171 39 91-5172 39 91-5173 39 24.99
91-5179 40 91-5171 40 91-5172 40 91-5173 40 24.99
91-5179 41 91-5171 41 91-5172 41 91-5173 41 24.99
91-5179 42 91-5171 42 91-5172 42 91-5173 42 24.99
91-5179 43 91-5171 43 91-5172 43 91-5173 43 24.99
91-5179 44 91-5171 44 91-5172 44 91-5173 44 24.99
ONE 4-BOLT CHAIN RINGS
BOX TWO chainrings are made in the US from 6061
T-6 aluminum alloy. Now the new BOX ONE chainrings
are now available in a more durable 7075 version,
BOX chainrings are round and true. They fit 104 BCD
four-bolt cranks. Available in matte black anodized with
laser-etched graphics.
BOX TWO
BOX ONE
BLACK
91-5155 38 $49.99
91-5155 39 49.99
91-5155 40 49.99
91-5155 41 49.99 91-5156 41 $64.99
91-5155 42 49.99 91-5156 42 64.99
91-5155 43 49.99 91-5156 43 64.99
91-5155 44 49.99 91-5156 44 64.99
91-5155 45 49.99
• Machined 5mm Aluminum
• 4 bolt, 104bcd
• Works with 1/8” and 3/32” chains
• Black, Silver, Red, and Blue color options
Black
Red
Blue
Polished List
91-5150 38 91-5152 38 91-5151 38 91-5153 38 $42.95
91-5150 39 91-5152 39 91-5151 39 91-5153 39 42.95
91-5150 40 91-5152 40 91-5151 40 91-5153 40 42.95
91-5150 41 91-5152 41 91-5151 41 91-5153 41 42.95
91-5150 42 91-5152 42 91-5151 42 91-5153 42 42.95
91-5150 43 91-5152 43 91-5151 43 91-5153 43 42.95
91-5150 44 91-5152 44 91-5151 44 91-5153 44 42.95
CHAIN RINGS
• Machined 5.5mm Aluminum
• 4 bolt, 104bcd
• Works with 1/8" and 3/32" chains
• Black, Silver, Red, and Blue color options
Covered by Limited Lifetime
Warranty Against Breakage
CHAIN RINGS & PARTS
RACEWEAR
GLOVES
FOOTWEAR
HELMETS
HELMETACC.
EYEWEAR
PROTECTIVE
WEAR
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HYDRATION
ACCESSORIES
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FORKS
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HANDLEBARS
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SHIFTING
BRAKING
LIGHTING
TIRES&TUBES
WHEELS&RIMS
HUBS/CHAINS&
PARTS
CHAINRINGS&
PARTS
PEDALS
CRANKSETS
BOTTOM
BRACKETS
SEATS/POSTS&
CLAMPS
PLATES&
NUMBERS
SECURITY
CHEMICALS
TOOLS
PROMOTIONAL
INDEX
Phone: 1-800-999-3388 / 1-877-359-2946