Sprockets
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Box Cosine 4-Bolt Chainring Black 45T Bx-Cr144B45T-Bk
BOX
MSRP: $42.91$37.31BOX 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.Covered by Limited Lifetime Warranty...MSRP: $42.91$37.31 -
Box Cosine 4-Bolt Chainring Black 44T Bx-Cr144B44T-Bk
BOX
MSRP: $42.91$37.31BOX 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.Covered by Limited Lifetime Warranty...MSRP: $42.91$37.31 -
Box Cosine 4-Bolt Chainring Black 43T Bx-Cr144B43T-Bk
BOX
MSRP: $42.91$37.31BOX 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.Covered by Limited Lifetime Warranty...MSRP: $42.91$37.31 -
Box Cosine 4-Bolt Chainring Black 42T Bx-Cr144B42T-Bk
BOX
MSRP: $42.91$37.31BOX 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.Covered by Limited Lifetime Warranty...MSRP: $42.91$37.31 -
Box Cosine 4-Bolt Chainring Black 41T Bx-Cr144B41T-Bk
BOX
MSRP: $42.91$37.31BOX 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.Covered by Limited Lifetime Warranty...MSRP: $42.91$37.31 -
Box Cosine 4-Bolt Chainring Black 40T Bx-Cr144B40T-Bk
BOX
MSRP: $42.91$37.31BOX 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.Covered by Limited Lifetime Warranty...MSRP: $42.91$37.31 -
Box Cosine 4-Bolt Chainring Black 39T Bx-Cr144B39T-Bk
BOX
MSRP: $42.91$37.31BOX 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.Covered by Limited Lifetime Warranty...MSRP: $42.91$37.31 -
Box Cosine 4-Bolt Chainring Black 38T Bx-Cr144B38T-Bk
BOX
MSRP: $42.91$37.31BOX 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.Covered by Limited Lifetime Warranty...MSRP: $42.91$37.31 -
Tangent 4-Bolt Chain Ring 50 Black 2016 27-2450
TANGENT
MSRP: $41.91$36.44New lighter weight design for 2016CNC machined aluminum5.5mm thick for strength and stiffnessWorks with 1/8ö and 3/32ö chains4 bolt, 104mm BCDMade in the USAMSRP: $41.91$36.44 -
Tangent 4-Bolt Chain Ring 49 Black 2016 27-2449
TANGENT
MSRP: $41.91$36.44New lighter weight design for 2016CNC machined aluminum5.5mm thick for strength and stiffnessWorks with 1/8ö and 3/32ö chains4 bolt, 104mm BCDMade in the USAMSRP: $41.91$36.44 -
Tangent 4-Bolt Chain Ring 48 Red 2016 27-2448R
TANGENT
MSRP: $41.91$36.44New lighter weight design for 2016CNC machined aluminum5.5mm thick for strength and stiffnessWorks with 1/8ö and 3/32ö chains4 bolt, 104mm BCDMade in the USAMSRP: $41.91$36.44 -
Tangent 4-Bolt Chain Ring 48 Blue 2016 27-2448B
TANGENT
MSRP: $41.91$36.44New lighter weight design for 2016CNC machined aluminum5.5mm thick for strength and stiffnessWorks with 1/8ö and 3/32ö chains4 bolt, 104mm BCDMade in the USAMSRP: $41.91$36.44