The BOX Five Square Taper Crankset is a durable cold forged constructed crank, manufactured from 6061 T-6 Aluminum. At this nice price, you'll be able to upgrade your racer's crank length as they grow without breaking the bank.

Crankset features:

• JIS Square Taper
• 6061 T-6 Aluminum
• Size: 135 to 170mm (in 5mm increments)
• Color: Matte Black
• 5 Bolt 110 BCD
• Chainring & BB sold separately

Size / Weight:
• 135mm / 480 g / 17 oz
• 140mm / 485 g / 17.23 oz
• 145mm / 489 g / 17.28 oz
• 150mm / 521 g / 18.4 oz
• 155mm / 528 g / 18.56 oz
• 160mm / 530 g / 18.72 oz
• 165mm / 566 g / 20 oz
• 170mm / 566 g / 20 oz